git-gui.sh

   1 #!/bin/sh
   2 # Tcl ignores the next line -*- tcl -*- \
   3  if test "z$*" = zversion \
   4  || test "z$*" = z--version; \
   5  then \
   6         echo 'git-gui version @@GITGUI_VERSION@@'; \
   7         exit; \
   8  fi; \
   9  argv0=$0; \
  10  exec wish "$argv0" -- "$@"
  11
  12 set appvers {@@GITGUI_VERSION@@}
  13 set copyright [encoding convertfrom utf-8 {
  14 Copyright © 2006, 2007 Shawn Pearce, et. al.
  15
  16 This program is free software; you can redistribute it and/or modify
  17 it under the terms of the GNU General Public License as published by
  18 the Free Software Foundation; either version 2 of the License, or
  19 (at your option) any later version.
  20
  21 This program is distributed in the hope that it will be useful,
  22 but WITHOUT ANY WARRANTY; without even the implied warranty of
  23 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  24 GNU General Public License for more details.
  25
  26 You should have received a copy of the GNU General Public License
  27 along with this program; if not, write to the Free Software
  28 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA}]
  29
  30 ######################################################################
  31 ##
  32 ## Tcl/Tk sanity check
  33
  34 if {[catch {package require Tcl 8.4} err]
  35  || [catch {package require Tk  8.4} err]
  36 } {
  37         catch {wm withdraw .}
  38         tk_messageBox \
  39                 -icon error \
  40                 -type ok \
  41                 -title [mc "git-gui: fatal error"] \
  42                 -message $err
  43         exit 1
  44 }
  45
  46 catch {rename send {}} ; # What an evil concept...
  47
  48 ######################################################################
  49 ##
  50 ## locate our library
  51
  52 set oguilib {@@GITGUI_LIBDIR@@}
  53 set oguirel {@@GITGUI_RELATIVE@@}
  54 if {$oguirel eq {1}} {
  55         set oguilib [file dirname [file normalize $argv0]]
  56         if {[file tail $oguilib] eq {git-core}} {
  57                 set oguilib [file dirname $oguilib]
  58         }
  59         set oguilib [file dirname $oguilib]
  60         set oguilib [file join $oguilib share git-gui lib]
  61         set oguimsg [file join $oguilib msgs]
  62 } elseif {[string match @@* $oguirel]} {
  63         set oguilib [file join [file dirname [file normalize $argv0]] lib]
  64         set oguimsg [file join [file dirname [file normalize $argv0]] po]
  65 } else {
  66         set oguimsg [file join $oguilib msgs]
  67 }
  68 unset oguirel
  69
  70 ######################################################################
  71 ##
  72 ## enable verbose loading?
  73
  74 if {![catch {set _verbose $env(GITGUI_VERBOSE)}]} {
  75         unset _verbose
  76         rename auto_load real__auto_load
  77         proc auto_load {name args} {
  78                 puts stderr "auto_load $name"
  79                 return [uplevel 1 real__auto_load $name $args]
  80         }
  81         rename source real__source
  82         proc source {name} {
  83                 puts stderr "source    $name"
  84                 uplevel 1 real__source $name
  85         }
  86 }
  87
  88 ######################################################################
  89 ##
  90 ## Internationalization (i18n) through msgcat and gettext. See
  91 ## http://www.gnu.org/software/gettext/manual/html_node/Tcl.html
  92
  93 package require msgcat
  94
  95 proc _mc_trim {fmt} {
  96         set cmk [string first @@ $fmt]
  97         if {$cmk > 0} {
  98                 return [string range $fmt 0 [expr {$cmk - 1}]]
  99         }
 100         return $fmt
 101 }
 102
 103 proc mc {en_fmt args} {
 104         set fmt [_mc_trim [::msgcat::mc $en_fmt]]
 105         if {[catch {set msg [eval [list format $fmt] $args]} err]} {
 106                 set msg [eval [list format [_mc_trim $en_fmt]] $args]
 107         }
 108         return $msg
 109 }
 110
 111 proc strcat {args} {
 112         return [join $args {}]
 113 }
 114
 115 ::msgcat::mcload $oguimsg
 116 unset oguimsg
 117
 118 ######################################################################
 119 ##
 120 ## read only globals
 121
 122 set _appname {Git Gui}
 123 set _gitdir {}
 124 set _gitexec {}
 125 set _reponame {}
 126 set _iscygwin {}
 127 set _search_path {}
 128
 129 set _trace [lsearch -exact $argv --trace]
 130 if {$_trace >= 0} {
 131         set argv [lreplace $argv $_trace $_trace]
 132         set _trace 1
 133 } else {
 134         set _trace 0
 135 }
 136
 137 proc appname {} {
 138         global _appname
 139         return $_appname
 140 }
 141
 142 proc gitdir {args} {
 143         global _gitdir
 144         if {$args eq {}} {
 145                 return $_gitdir
 146         }
 147         return [eval [list file join $_gitdir] $args]
 148 }
 149
 150 proc gitexec {args} {
 151         global _gitexec
 152         if {$_gitexec eq {}} {
 153                 if {[catch {set _gitexec [git --exec-path]} err]} {
 154                         error "Git not installed?\n\n$err"
 155                 }
 156                 if {[is_Cygwin]} {
 157                         set _gitexec [exec cygpath \
 158                                 --windows \
 159                                 --absolute \
 160                                 $_gitexec]
 161                 } else {
 162                         set _gitexec [file normalize $_gitexec]
 163                 }
 164         }
 165         if {$args eq {}} {
 166                 return $_gitexec
 167         }
 168         return [eval [list file join $_gitexec] $args]
 169 }
 170
 171 proc reponame {} {
 172         return $::_reponame
 173 }
 174
 175 proc is_MacOSX {} {
 176         if {[tk windowingsystem] eq {aqua}} {
 177                 return 1
 178         }
 179         return 0
 180 }
 181
 182 proc is_Windows {} {
 183         if {$::tcl_platform(platform) eq {windows}} {
 184                 return 1
 185         }
 186         return 0
 187 }
 188
 189 proc is_Cygwin {} {
 190         global _iscygwin
 191         if {$_iscygwin eq {}} {
 192                 if {$::tcl_platform(platform) eq {windows}} {
 193                         if {[catch {set p [exec cygpath --windir]} err]} {
 194                                 set _iscygwin 0
 195                         } else {
 196                                 set _iscygwin 1
 197                         }
 198                 } else {
 199                         set _iscygwin 0
 200                 }
 201         }
 202         return $_iscygwin
 203 }
 204
 205 proc is_enabled {option} {
 206         global enabled_options
 207         if {[catch {set on $enabled_options($option)}]} {return 0}
 208         return $on
 209 }
 210
 211 proc enable_option {option} {
 212         global enabled_options
 213         set enabled_options($option) 1
 214 }
 215
 216 proc disable_option {option} {
 217         global enabled_options
 218         set enabled_options($option) 0
 219 }
 220
 221 ######################################################################
 222 ##
 223 ## config
 224
 225 proc is_many_config {name} {
 226         switch -glob -- $name {
 227         gui.recentrepo -
 228         remote.*.fetch -
 229         remote.*.push
 230                 {return 1}
 231         *
 232                 {return 0}
 233         }
 234 }
 235
 236 proc is_config_true {name} {
 237         global repo_config
 238         if {[catch {set v $repo_config($name)}]} {
 239                 return 0
 240         } elseif {$v eq {true} || $v eq {1} || $v eq {yes}} {
 241                 return 1
 242         } else {
 243                 return 0
 244         }
 245 }
 246
 247 proc get_config {name} {
 248         global repo_config
 249         if {[catch {set v $repo_config($name)}]} {
 250                 return {}
 251         } else {
 252                 return $v
 253         }
 254 }
 255
 256 ######################################################################
 257 ##
 258 ## handy utils
 259
 260 proc _trace_exec {cmd} {
 261         if {!$::_trace} return
 262         set d {}
 263         foreach v $cmd {
 264                 if {$d ne {}} {
 265                         append d { }
 266                 }
 267                 if {[regexp {[ \t\r\n'"$?*]} $v]} {
 268                         set v [sq $v]
 269                 }
 270                 append d $v
 271         }
 272         puts stderr $d
 273 }
 274
 275 proc _git_cmd {name} {
 276         global _git_cmd_path
 277
 278         if {[catch {set v $_git_cmd_path($name)}]} {
 279                 switch -- $name {
 280                   version   -
 281                 --version   -
 282                 --exec-path { return [list $::_git $name] }
 283                 }
 284
 285                 set p [gitexec git-$name$::_search_exe]
 286                 if {[file exists $p]} {
 287                         set v [list $p]
 288                 } elseif {[is_Windows] && [file exists [gitexec git-$name]]} {
 289                         # Try to determine what sort of magic will make
 290                         # git-$name go and do its thing, because native
 291                         # Tcl on Windows doesn't know it.
 292                         #
 293                         set p [gitexec git-$name]
 294                         set f [open $p r]
 295                         set s [gets $f]
 296                         close $f
 297
 298                         switch -glob -- [lindex $s 0] {
 299                         #!*sh     { set i sh     }
 300                         #!*perl   { set i perl   }
 301                         #!*python { set i python }
 302                         default   { error "git-$name is not supported: $s" }
 303                         }
 304
 305                         upvar #0 _$i interp
 306                         if {![info exists interp]} {
 307                                 set interp [_which $i]
 308                         }
 309                         if {$interp eq {}} {
 310                                 error "git-$name requires $i (not in PATH)"
 311                         }
 312                         set v [concat [list $interp] [lrange $s 1 end] [list $p]]
 313                 } else {
 314                         # Assume it is builtin to git somehow and we
 315                         # aren't actually able to see a file for it.
 316                         #
 317                         set v [list $::_git $name]
 318                 }
 319                 set _git_cmd_path($name) $v
 320         }
 321         return $v
 322 }
 323
 324 proc _which {what args} {
 325         global env _search_exe _search_path
 326
 327         if {$_search_path eq {}} {
 328                 if {[is_Cygwin] && [regexp {^(/|\.:)} $env(PATH)]} {
 329                         set _search_path [split [exec cygpath \
 330                                 --windows \
 331                                 --path \
 332                                 --absolute \
 333                                 $env(PATH)] {;}]
 334                         set _search_exe .exe
 335                 } elseif {[is_Windows]} {
 336                         set gitguidir [file dirname [info script]]
 337                         regsub -all ";" $gitguidir "\\;" gitguidir
 338                         set env(PATH) "$gitguidir;$env(PATH)"
 339                         set _search_path [split $env(PATH) {;}]
 340                         set _search_exe .exe
 341                 } else {
 342                         set _search_path [split $env(PATH) :]
 343                         set _search_exe {}
 344                 }
 345         }
 346
 347         if {[is_Windows] && [lsearch -exact $args -script] >= 0} {
 348                 set suffix {}
 349         } else {
 350                 set suffix $_search_exe
 351         }
 352
 353         foreach p $_search_path {
 354                 set p [file join $p $what$suffix]
 355                 if {[file exists $p]} {
 356                         return [file normalize $p]
 357                 }
 358         }
 359         return {}
 360 }
 361
 362 proc _lappend_nice {cmd_var} {
 363         global _nice
 364         upvar $cmd_var cmd
 365
 366         if {![info exists _nice]} {
 367                 set _nice [_which nice]
 368         }
 369         if {$_nice ne {}} {
 370                 lappend cmd $_nice
 371         }
 372 }
 373
 374 proc git {args} {
 375         set opt [list]
 376
 377         while {1} {
 378                 switch -- [lindex $args 0] {
 379                 --nice {
 380                         _lappend_nice opt
 381                 }
 382
 383                 default {
 384                         break
 385                 }
 386
 387                 }
 388
 389                 set args [lrange $args 1 end]
 390         }
 391
 392         set cmdp [_git_cmd [lindex $args 0]]
 393         set args [lrange $args 1 end]
 394
 395         _trace_exec [concat $opt $cmdp $args]
 396         set result [eval exec $opt $cmdp $args]
 397         if {$::_trace} {
 398                 puts stderr "< $result"
 399         }
 400         return $result
 401 }
 402
 403 proc _open_stdout_stderr {cmd} {
 404         _trace_exec $cmd
 405         if {[catch {
 406                         set fd [open [concat [list | ] $cmd] r]
 407                 } err]} {
 408                 if {   [lindex $cmd end] eq {2>@1}
 409                     && $err eq {can not find channel named "1"}
 410                         } {
 411                         # Older versions of Tcl 8.4 don't have this 2>@1 IO
 412                         # redirect operator.  Fallback to |& cat for those.
 413                         # The command was not actually started, so its safe
 414                         # to try to start it a second time.
 415                         #
 416                         set fd [open [concat \
 417                                 [list | ] \
 418                                 [lrange $cmd 0 end-1] \
 419                                 [list |& cat] \
 420                                 ] r]
 421                 } else {
 422                         error $err
 423                 }
 424         }
 425         fconfigure $fd -eofchar {}
 426         return $fd
 427 }
 428
 429 proc git_read {args} {
 430         set opt [list]
 431
 432         while {1} {
 433                 switch -- [lindex $args 0] {
 434                 --nice {
 435                         _lappend_nice opt
 436                 }
 437
 438                 --stderr {
 439                         lappend args 2>@1
 440                 }
 441
 442                 default {
 443                         break
 444                 }
 445
 446                 }
 447
 448                 set args [lrange $args 1 end]
 449         }
 450
 451         set cmdp [_git_cmd [lindex $args 0]]
 452         set args [lrange $args 1 end]
 453
 454         return [_open_stdout_stderr [concat $opt $cmdp $args]]
 455 }
 456
 457 proc git_write {args} {
 458         set opt [list]
 459
 460         while {1} {
 461                 switch -- [lindex $args 0] {
 462                 --nice {
 463                         _lappend_nice opt
 464                 }
 465
 466                 default {
 467                         break
 468                 }
 469
 470                 }
 471
 472                 set args [lrange $args 1 end]
 473         }
 474
 475         set cmdp [_git_cmd [lindex $args 0]]
 476         set args [lrange $args 1 end]
 477
 478         _trace_exec [concat $opt $cmdp $args]
 479         return [open [concat [list | ] $opt $cmdp $args] w]
 480 }
 481
 482 proc githook_read {hook_name args} {
 483         set pchook [gitdir hooks $hook_name]
 484         lappend args 2>@1
 485
 486         # On Windows [file executable] might lie so we need to ask
 487         # the shell if the hook is executable.  Yes that's annoying.
 488         #
 489         if {[is_Windows]} {
 490                 upvar #0 _sh interp
 491                 if {![info exists interp]} {
 492                         set interp [_which sh]
 493                 }
 494                 if {$interp eq {}} {
 495                         error "hook execution requires sh (not in PATH)"
 496                 }
 497
 498                 set scr {if test -x "$1";then exec "$@";fi}
 499                 set sh_c [list $interp -c $scr $interp $pchook]
 500                 return [_open_stdout_stderr [concat $sh_c $args]]
 501         }
 502
 503         if {[file executable $pchook]} {
 504                 return [_open_stdout_stderr [concat [list $pchook] $args]]
 505         }
 506
 507         return {}
 508 }
 509
 510 proc kill_file_process {fd} {
 511         set process [pid $fd]
 512
 513         catch {
 514                 if {[is_Windows]} {
 515                         # Use a Cygwin-specific flag to allow killing
 516                         # native Windows processes
 517                         exec kill -f $process
 518                 } else {
 519                         exec kill $process
 520                 }
 521         }
 522 }
 523
 524 proc gitattr {path attr default} {
 525         if {[catch {set r [git check-attr $attr -- $path]}]} {
 526                 set r unspecified
 527         } else {
 528                 set r [join [lrange [split $r :] 2 end] :]
 529                 regsub {^ } $r {} r
 530         }
 531         if {$r eq {unspecified}} {
 532                 return $default
 533         }
 534         return $r
 535 }
 536
 537 proc sq {value} {
 538         regsub -all ' $value "'\\''" value
 539         return "'$value'"
 540 }
 541
 542 proc load_current_branch {} {
 543         global current_branch is_detached
 544
 545         set fd [open [gitdir HEAD] r]
 546         if {[gets $fd ref] < 1} {
 547                 set ref {}
 548         }
 549         close $fd
 550
 551         set pfx {ref: refs/heads/}
 552         set len [string length $pfx]
 553         if {[string equal -length $len $pfx $ref]} {
 554                 # We're on a branch.  It might not exist.  But
 555                 # HEAD looks good enough to be a branch.
 556                 #
 557                 set current_branch [string range $ref $len end]
 558                 set is_detached 0
 559         } else {
 560                 # Assume this is a detached head.
 561                 #
 562                 set current_branch HEAD
 563                 set is_detached 1
 564         }
 565 }
 566
 567 auto_load tk_optionMenu
 568 rename tk_optionMenu real__tkOptionMenu
 569 proc tk_optionMenu {w varName args} {
 570         set m [eval real__tkOptionMenu $w $varName $args]
 571         $m configure -font font_ui
 572         $w configure -font font_ui
 573         return $m
 574 }
 575
 576 proc rmsel_tag {text} {
 577         $text tag conf sel \
 578                 -background [$text cget -background] \
 579                 -foreground [$text cget -foreground] \
 580                 -borderwidth 0
 581         $text tag conf in_sel -background lightgray
 582         bind $text <Motion> break
 583         return $text
 584 }
 585
 586 set root_exists 0
 587 bind . <Visibility> {
 588         bind . <Visibility> {}
 589         set root_exists 1
 590 }
 591
 592 if {[is_Windows]} {
 593         wm iconbitmap . -default $oguilib/git-gui.ico
 594 }
 595
 596 ######################################################################
 597 ##
 598 ## config defaults
 599
 600 set cursor_ptr arrow
 601 font create font_diff -family Courier -size 10
 602 font create font_ui
 603 catch {
 604         label .dummy
 605         eval font configure font_ui [font actual [.dummy cget -font]]
 606         destroy .dummy
 607 }
 608
 609 font create font_uiitalic
 610 font create font_uibold
 611 font create font_diffbold
 612 font create font_diffitalic
 613
 614 foreach class {Button Checkbutton Entry Label
 615                 Labelframe Listbox Menu Message
 616                 Radiobutton Spinbox Text} {
 617         option add *$class.font font_ui
 618 }
 619 unset class
 620
 621 if {[is_Windows] || [is_MacOSX]} {
 622         option add *Menu.tearOff 0
 623 }
 624
 625 if {[is_MacOSX]} {
 626         set M1B M1
 627         set M1T Cmd
 628 } else {
 629         set M1B Control
 630         set M1T Ctrl
 631 }
 632
 633 proc bind_button3 {w cmd} {
 634         bind $w <Any-Button-3> $cmd
 635         if {[is_MacOSX]} {
 636                 # Mac OS X sends Button-2 on right click through three-button mouse,
 637                 # or through trackpad right-clicking (two-finger touch + click).
 638                 bind $w <Any-Button-2> $cmd
 639                 bind $w <Control-Button-1> $cmd
 640         }
 641 }
 642
 643 proc apply_config {} {
 644         global repo_config font_descs
 645
 646         foreach option $font_descs {
 647                 set name [lindex $option 0]
 648                 set font [lindex $option 1]
 649                 if {[catch {
 650                         set need_weight 1
 651                         foreach {cn cv} $repo_config(gui.$name) {
 652                                 if {$cn eq {-weight}} {
 653                                         set need_weight 0
 654                                 }
 655                                 font configure $font $cn $cv
 656                         }
 657                         if {$need_weight} {
 658                                 font configure $font -weight normal
 659                         }
 660                         } err]} {
 661                         error_popup [strcat [mc "Invalid font specified in %s:" "gui.$name"] "\n\n$err"]
 662                 }
 663                 foreach {cn cv} [font configure $font] {
 664                         font configure ${font}bold $cn $cv
 665                         font configure ${font}italic $cn $cv
 666                 }
 667                 font configure ${font}bold -weight bold
 668                 font configure ${font}italic -slant italic
 669         }
 670 }
 671
 672 set default_config(branch.autosetupmerge) true
 673 set default_config(merge.tool) {}
 674 set default_config(merge.keepbackup) true
 675 set default_config(merge.diffstat) true
 676 set default_config(merge.summary) false
 677 set default_config(merge.verbosity) 2
 678 set default_config(user.name) {}
 679 set default_config(user.email) {}
 680
 681 set default_config(gui.encoding) [encoding system]
 682 set default_config(gui.matchtrackingbranch) false
 683 set default_config(gui.pruneduringfetch) false
 684 set default_config(gui.trustmtime) false
 685 set default_config(gui.fastcopyblame) false
 686 set default_config(gui.copyblamethreshold) 40
 687 set default_config(gui.blamehistoryctx) 7
 688 set default_config(gui.diffcontext) 5
 689 set default_config(gui.commitmsgwidth) 75
 690 set default_config(gui.newbranchtemplate) {}
 691 set default_config(gui.spellingdictionary) {}
 692 set default_config(gui.fontui) [font configure font_ui]
 693 set default_config(gui.fontdiff) [font configure font_diff]
 694 set font_descs {
 695         {fontui   font_ui   {mc "Main Font"}}
 696         {fontdiff font_diff {mc "Diff/Console Font"}}
 697 }
 698
 699 ######################################################################
 700 ##
 701 ## find git
 702
 703 set _git  [_which git]
 704 if {$_git eq {}} {
 705         catch {wm withdraw .}
 706         tk_messageBox \
 707                 -icon error \
 708                 -type ok \
 709                 -title [mc "git-gui: fatal error"] \
 710                 -message [mc "Cannot find git in PATH."]
 711         exit 1
 712 }
 713
 714 ######################################################################
 715 ##
 716 ## version check
 717
 718 if {[catch {set _git_version [git --version]} err]} {
 719         catch {wm withdraw .}
 720         tk_messageBox \
 721                 -icon error \
 722                 -type ok \
 723                 -title [mc "git-gui: fatal error"] \
 724                 -message "Cannot determine Git version:
 725
 726 $err
 727
 728 [appname] requires Git 1.5.0 or later."
 729         exit 1
 730 }
 731 if {![regsub {^git version } $_git_version {} _git_version]} {
 732         catch {wm withdraw .}
 733         tk_messageBox \
 734                 -icon error \
 735                 -type ok \
 736                 -title [mc "git-gui: fatal error"] \
 737                 -message [strcat [mc "Cannot parse Git version string:"] "\n\n$_git_version"]
 738         exit 1
 739 }
 740
 741 set _real_git_version $_git_version
 742 regsub -- {[\-\.]dirty$} $_git_version {} _git_version
 743 regsub {\.[0-9]+\.g[0-9a-f]+$} $_git_version {} _git_version
 744 regsub {\.rc[0-9]+$} $_git_version {} _git_version
 745 regsub {\.GIT$} $_git_version {} _git_version
 746 regsub {\.[a-zA-Z]+\.[0-9]+$} $_git_version {} _git_version
 747
 748 if {![regexp {^[1-9]+(\.[0-9]+)+$} $_git_version]} {
 749         catch {wm withdraw .}
 750         if {[tk_messageBox \
 751                 -icon warning \
 752                 -type yesno \
 753                 -default no \
 754                 -title "[appname]: warning" \
 755                  -message [mc "Git version cannot be determined.
 756
 757 %s claims it is version '%s'.
 758
 759 %s requires at least Git 1.5.0 or later.
 760
 761 Assume '%s' is version 1.5.0?
 762 " $_git $_real_git_version [appname] $_real_git_version]] eq {yes}} {
 763                 set _git_version 1.5.0
 764         } else {
 765                 exit 1
 766         }
 767 }
 768 unset _real_git_version
 769
 770 proc git-version {args} {
 771         global _git_version
 772
 773         switch [llength $args] {
 774         0 {
 775                 return $_git_version
 776         }
 777
 778         2 {
 779                 set op [lindex $args 0]
 780                 set vr [lindex $args 1]
 781                 set cm [package vcompare $_git_version $vr]
 782                 return [expr $cm $op 0]
 783         }
 784
 785         4 {
 786                 set type [lindex $args 0]
 787                 set name [lindex $args 1]
 788                 set parm [lindex $args 2]
 789                 set body [lindex $args 3]
 790
 791                 if {($type ne {proc} && $type ne {method})} {
 792                         error "Invalid arguments to git-version"
 793                 }
 794                 if {[llength $body] < 2 || [lindex $body end-1] ne {default}} {
 795                         error "Last arm of $type $name must be default"
 796                 }
 797
 798                 foreach {op vr cb} [lrange $body 0 end-2] {
 799                         if {[git-version $op $vr]} {
 800                                 return [uplevel [list $type $name $parm $cb]]
 801                         }
 802                 }
 803
 804                 return [uplevel [list $type $name $parm [lindex $body end]]]
 805         }
 806
 807         default {
 808                 error "git-version >= x"
 809         }
 810
 811         }
 812 }
 813
 814 if {[git-version < 1.5]} {
 815         catch {wm withdraw .}
 816         tk_messageBox \
 817                 -icon error \
 818                 -type ok \
 819                 -title [mc "git-gui: fatal error"] \
 820                 -message "[appname] requires Git 1.5.0 or later.
 821
 822 You are using [git-version]:
 823
 824 [git --version]"
 825         exit 1
 826 }
 827
 828 ######################################################################
 829 ##
 830 ## configure our library
 831
 832 set idx [file join $oguilib tclIndex]
 833 if {[catch {set fd [open $idx r]} err]} {
 834         catch {wm withdraw .}
 835         tk_messageBox \
 836                 -icon error \
 837                 -type ok \
 838                 -title [mc "git-gui: fatal error"] \
 839                 -message $err
 840         exit 1
 841 }
 842 if {[gets $fd] eq {# Autogenerated by git-gui Makefile}} {
 843         set idx [list]
 844         while {[gets $fd n] >= 0} {
 845                 if {$n ne {} && ![string match #* $n]} {
 846                         lappend idx $n
 847                 }
 848         }
 849 } else {
 850         set idx {}
 851 }
 852 close $fd
 853
 854 if {$idx ne {}} {
 855         set loaded [list]
 856         foreach p $idx {
 857                 if {[lsearch -exact $loaded $p] >= 0} continue
 858                 source [file join $oguilib $p]
 859                 lappend loaded $p
 860         }
 861         unset loaded p
 862 } else {
 863         set auto_path [concat [list $oguilib] $auto_path]
 864 }
 865 unset -nocomplain idx fd
 866
 867 ######################################################################
 868 ##
 869 ## config file parsing
 870
 871 git-version proc _parse_config {arr_name args} {
 872         >= 1.5.3 {
 873                 upvar $arr_name arr
 874                 array unset arr
 875                 set buf {}
 876                 catch {
 877                         set fd_rc [eval \
 878                                 [list git_read config] \
 879                                 $args \
 880                                 [list --null --list]]
 881                         fconfigure $fd_rc -translation binary
 882                         set buf [read $fd_rc]
 883                         close $fd_rc
 884                 }
 885                 foreach line [split $buf "\0"] {
 886                         if {[regexp {^([^\n]+)\n(.*)$} $line line name value]} {
 887                                 if {[is_many_config $name]} {
 888                                         lappend arr($name) $value
 889                                 } else {
 890                                         set arr($name) $value
 891                                 }
 892                         }
 893                 }
 894         }
 895         default {
 896                 upvar $arr_name arr
 897                 array unset arr
 898                 catch {
 899                         set fd_rc [eval [list git_read config --list] $args]
 900                         while {[gets $fd_rc line] >= 0} {
 901                                 if {[regexp {^([^=]+)=(.*)$} $line line name value]} {
 902                                         if {[is_many_config $name]} {
 903                                                 lappend arr($name) $value
 904                                         } else {
 905                                                 set arr($name) $value
 906                                         }
 907                                 }
 908                         }
 909                         close $fd_rc
 910                 }
 911         }
 912 }
 913
 914 proc load_config {include_global} {
 915         global repo_config global_config default_config
 916
 917         if {$include_global} {
 918                 _parse_config global_config --global
 919         }
 920         _parse_config repo_config
 921
 922         foreach name [array names default_config] {
 923                 if {[catch {set v $global_config($name)}]} {
 924                         set global_config($name) $default_config($name)
 925                 }
 926                 if {[catch {set v $repo_config($name)}]} {
 927                         set repo_config($name) $default_config($name)
 928                 }
 929         }
 930 }
 931
 932 ######################################################################
 933 ##
 934 ## feature option selection
 935
 936 if {[regexp {^git-(.+)$} [file tail $argv0] _junk subcommand]} {
 937         unset _junk
 938 } else {
 939         set subcommand gui
 940 }
 941 if {$subcommand eq {gui.sh}} {
 942         set subcommand gui
 943 }
 944 if {$subcommand eq {gui} && [llength $argv] > 0} {
 945         set subcommand [lindex $argv 0]
 946         set argv [lrange $argv 1 end]
 947 }
 948
 949 enable_option multicommit
 950 enable_option branch
 951 enable_option transport
 952 disable_option bare
 953
 954 switch -- $subcommand {
 955 browser -
 956 blame {
 957         enable_option bare
 958
 959         disable_option multicommit
 960         disable_option branch
 961         disable_option transport
 962 }
 963 citool {
 964         enable_option singlecommit
 965         enable_option retcode
 966
 967         disable_option multicommit
 968         disable_option branch
 969         disable_option transport
 970
 971         while {[llength $argv] > 0} {
 972                 set a [lindex $argv 0]
 973                 switch -- $a {
 974                 --amend {
 975                         enable_option initialamend
 976                 }
 977                 --nocommit {
 978                         enable_option nocommit
 979                         enable_option nocommitmsg
 980                 }
 981                 --commitmsg {
 982                         disable_option nocommitmsg
 983                 }
 984                 default {
 985                         break
 986                 }
 987                 }
 988
 989                 set argv [lrange $argv 1 end]
 990         }
 991 }
 992 }
 993
 994 ######################################################################
 995 ##
 996 ## repository setup
 997
 998 set picked 0
 999 if {[catch {
1000                 set _gitdir $env(GIT_DIR)
1001                 set _prefix {}
1002                 }]
1003         && [catch {
1004                 set _gitdir [git rev-parse --git-dir]
1005                 set _prefix [git rev-parse --show-prefix]
1006         } err]} {
1007         load_config 1
1008         apply_config
1009         choose_repository::pick
1010         set picked 1
1011 }
1012 if {![file isdirectory $_gitdir] && [is_Cygwin]} {
1013         catch {set _gitdir [exec cygpath --windows $_gitdir]}
1014 }
1015 if {![file isdirectory $_gitdir]} {
1016         catch {wm withdraw .}
1017         error_popup [strcat [mc "Git directory not found:"] "\n\n$_gitdir"]
1018         exit 1
1019 }
1020 if {$_prefix ne {}} {
1021         regsub -all {[^/]+/} $_prefix ../ cdup
1022         if {[catch {cd $cdup} err]} {
1023                 catch {wm withdraw .}
1024                 error_popup [strcat [mc "Cannot move to top of working directory:"] "\n\n$err"]
1025                 exit 1
1026         }
1027         unset cdup
1028 } elseif {![is_enabled bare]} {
1029         if {[lindex [file split $_gitdir] end] ne {.git}} {
1030                 catch {wm withdraw .}
1031                 error_popup [strcat [mc "Cannot use funny .git directory:"] "\n\n$_gitdir"]
1032                 exit 1
1033         }
1034         if {[catch {cd [file dirname $_gitdir]} err]} {
1035                 catch {wm withdraw .}
1036                 error_popup [strcat [mc "No working directory"] " [file dirname $_gitdir]:\n\n$err"]
1037                 exit 1
1038         }
1039 }
1040 set _reponame [file split [file normalize $_gitdir]]
1041 if {[lindex $_reponame end] eq {.git}} {
1042         set _reponame [lindex $_reponame end-1]
1043 } else {
1044         set _reponame [lindex $_reponame end]
1045 }
1046
1047 ######################################################################
1048 ##
1049 ## global init
1050
1051 set current_diff_path {}
1052 set current_diff_side {}
1053 set diff_actions [list]
1054
1055 set HEAD {}
1056 set PARENT {}
1057 set MERGE_HEAD [list]
1058 set commit_type {}
1059 set empty_tree {}
1060 set current_branch {}
1061 set is_detached 0
1062 set current_diff_path {}
1063 set is_3way_diff 0
1064 set is_conflict_diff 0
1065 set selected_commit_type new
1066
1067 set nullid "0000000000000000000000000000000000000000"
1068 set nullid2 "0000000000000000000000000000000000000001"
1069
1070 ######################################################################
1071 ##
1072 ## task management
1073
1074 set rescan_active 0
1075 set diff_active 0
1076 set last_clicked {}
1077
1078 set disable_on_lock [list]
1079 set index_lock_type none
1080
1081 proc lock_index {type} {
1082         global index_lock_type disable_on_lock
1083
1084         if {$index_lock_type eq {none}} {
1085                 set index_lock_type $type
1086                 foreach w $disable_on_lock {
1087                         uplevel #0 $w disabled
1088                 }
1089                 return 1
1090         } elseif {$index_lock_type eq "begin-$type"} {
1091                 set index_lock_type $type
1092                 return 1
1093         }
1094         return 0
1095 }
1096
1097 proc unlock_index {} {
1098         global index_lock_type disable_on_lock
1099
1100         set index_lock_type none
1101         foreach w $disable_on_lock {
1102                 uplevel #0 $w normal
1103         }
1104 }
1105
1106 ######################################################################
1107 ##
1108 ## status
1109
1110 proc repository_state {ctvar hdvar mhvar} {
1111         global current_branch
1112         upvar $ctvar ct $hdvar hd $mhvar mh
1113
1114         set mh [list]
1115
1116         load_current_branch
1117         if {[catch {set hd [git rev-parse --verify HEAD]}]} {
1118                 set hd {}
1119                 set ct initial
1120                 return
1121         }
1122
1123         set merge_head [gitdir MERGE_HEAD]
1124         if {[file exists $merge_head]} {
1125                 set ct merge
1126                 set fd_mh [open $merge_head r]
1127                 while {[gets $fd_mh line] >= 0} {
1128                         lappend mh $line
1129                 }
1130                 close $fd_mh
1131                 return
1132         }
1133
1134         set ct normal
1135 }
1136
1137 proc PARENT {} {
1138         global PARENT empty_tree
1139
1140         set p [lindex $PARENT 0]
1141         if {$p ne {}} {
1142                 return $p
1143         }
1144         if {$empty_tree eq {}} {
1145                 set empty_tree [git mktree << {}]
1146         }
1147         return $empty_tree
1148 }
1149
1150 proc force_amend {} {
1151         global selected_commit_type
1152         global HEAD PARENT MERGE_HEAD commit_type
1153
1154         repository_state newType newHEAD newMERGE_HEAD
1155         set HEAD $newHEAD
1156         set PARENT $newHEAD
1157         set MERGE_HEAD $newMERGE_HEAD
1158         set commit_type $newType
1159
1160         set selected_commit_type amend
1161         do_select_commit_type
1162 }
1163
1164 proc rescan {after {honor_trustmtime 1}} {
1165         global HEAD PARENT MERGE_HEAD commit_type
1166         global ui_index ui_workdir ui_comm
1167         global rescan_active file_states
1168         global repo_config
1169
1170         if {$rescan_active > 0 || ![lock_index read]} return
1171
1172         repository_state newType newHEAD newMERGE_HEAD
1173         if {[string match amend* $commit_type]
1174                 && $newType eq {normal}
1175                 && $newHEAD eq $HEAD} {
1176         } else {
1177                 set HEAD $newHEAD
1178                 set PARENT $newHEAD
1179                 set MERGE_HEAD $newMERGE_HEAD
1180                 set commit_type $newType
1181         }
1182
1183         array unset file_states
1184
1185         if {!$::GITGUI_BCK_exists &&
1186                 (![$ui_comm edit modified]
1187                 || [string trim [$ui_comm get 0.0 end]] eq {})} {
1188                 if {[string match amend* $commit_type]} {
1189                 } elseif {[load_message GITGUI_MSG]} {
1190                 } elseif {[run_prepare_commit_msg_hook]} {
1191                 } elseif {[load_message MERGE_MSG]} {
1192                 } elseif {[load_message SQUASH_MSG]} {
1193                 }
1194                 $ui_comm edit reset
1195                 $ui_comm edit modified false
1196         }
1197
1198         if {$honor_trustmtime && $repo_config(gui.trustmtime) eq {true}} {
1199                 rescan_stage2 {} $after
1200         } else {
1201                 set rescan_active 1
1202                 ui_status [mc "Refreshing file status..."]
1203                 set fd_rf [git_read update-index \
1204                         -q \
1205                         --unmerged \
1206                         --ignore-missing \
1207                         --refresh \
1208                         ]
1209                 fconfigure $fd_rf -blocking 0 -translation binary
1210                 fileevent $fd_rf readable \
1211                         [list rescan_stage2 $fd_rf $after]
1212         }
1213 }
1214
1215 if {[is_Cygwin]} {
1216         set is_git_info_exclude {}
1217         proc have_info_exclude {} {
1218                 global is_git_info_exclude
1219
1220                 if {$is_git_info_exclude eq {}} {
1221                         if {[catch {exec test -f [gitdir info exclude]}]} {
1222                                 set is_git_info_exclude 0
1223                         } else {
1224                                 set is_git_info_exclude 1
1225                         }
1226                 }
1227                 return $is_git_info_exclude
1228         }
1229 } else {
1230         proc have_info_exclude {} {
1231                 return [file readable [gitdir info exclude]]
1232         }
1233 }
1234
1235 proc rescan_stage2 {fd after} {
1236         global rescan_active buf_rdi buf_rdf buf_rlo
1237
1238         if {$fd ne {}} {
1239                 read $fd
1240                 if {![eof $fd]} return
1241                 close $fd
1242         }
1243
1244         set ls_others [list --exclude-per-directory=.gitignore]
1245         if {[have_info_exclude]} {
1246                 lappend ls_others "--exclude-from=[gitdir info exclude]"
1247         }
1248         set user_exclude [get_config core.excludesfile]
1249         if {$user_exclude ne {} && [file readable $user_exclude]} {
1250                 lappend ls_others "--exclude-from=$user_exclude"
1251         }
1252
1253         set buf_rdi {}
1254         set buf_rdf {}
1255         set buf_rlo {}
1256
1257         set rescan_active 3
1258         ui_status [mc "Scanning for modified files ..."]
1259         set fd_di [git_read diff-index --cached -z [PARENT]]
1260         set fd_df [git_read diff-files -z]
1261         set fd_lo [eval git_read ls-files --others -z $ls_others]
1262
1263         fconfigure $fd_di -blocking 0 -translation binary -encoding binary
1264         fconfigure $fd_df -blocking 0 -translation binary -encoding binary
1265         fconfigure $fd_lo -blocking 0 -translation binary -encoding binary
1266         fileevent $fd_di readable [list read_diff_index $fd_di $after]
1267         fileevent $fd_df readable [list read_diff_files $fd_df $after]
1268         fileevent $fd_lo readable [list read_ls_others $fd_lo $after]
1269 }
1270
1271 proc load_message {file} {
1272         global ui_comm
1273
1274         set f [gitdir $file]
1275         if {[file isfile $f]} {
1276                 if {[catch {set fd [open $f r]}]} {
1277                         return 0
1278                 }
1279                 fconfigure $fd -eofchar {}
1280                 set content [string trim [read $fd]]
1281                 close $fd
1282                 regsub -all -line {[ \r\t]+$} $content {} content
1283                 $ui_comm delete 0.0 end
1284                 $ui_comm insert end $content
1285                 return 1
1286         }
1287         return 0
1288 }
1289
1290 proc run_prepare_commit_msg_hook {} {
1291         global pch_error
1292
1293         # prepare-commit-msg requires PREPARE_COMMIT_MSG exist.  From git-gui
1294         # it will be .git/MERGE_MSG (merge), .git/SQUASH_MSG (squash), or an
1295         # empty file but existant file.
1296
1297         set fd_pcm [open [gitdir PREPARE_COMMIT_MSG] a]
1298
1299         if {[file isfile [gitdir MERGE_MSG]]} {
1300                 set pcm_source "merge"
1301                 set fd_mm [open [gitdir MERGE_MSG] r]
1302                 puts -nonewline $fd_pcm [read $fd_mm]
1303                 close $fd_mm
1304         } elseif {[file isfile [gitdir SQUASH_MSG]]} {
1305                 set pcm_source "squash"
1306                 set fd_sm [open [gitdir SQUASH_MSG] r]
1307                 puts -nonewline $fd_pcm [read $fd_sm]
1308                 close $fd_sm
1309         } else {
1310                 set pcm_source ""
1311         }
1312
1313         close $fd_pcm
1314
1315         set fd_ph [githook_read prepare-commit-msg \
1316                         [gitdir PREPARE_COMMIT_MSG] $pcm_source]
1317         if {$fd_ph eq {}} {
1318                 catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1319                 return 0;
1320         }
1321
1322         ui_status [mc "Calling prepare-commit-msg hook..."]
1323         set pch_error {}
1324
1325         fconfigure $fd_ph -blocking 0 -translation binary -eofchar {}
1326         fileevent $fd_ph readable \
1327                 [list prepare_commit_msg_hook_wait $fd_ph]
1328
1329         return 1;
1330 }
1331
1332 proc prepare_commit_msg_hook_wait {fd_ph} {
1333         global pch_error
1334
1335         append pch_error [read $fd_ph]
1336         fconfigure $fd_ph -blocking 1
1337         if {[eof $fd_ph]} {
1338                 if {[catch {close $fd_ph}]} {
1339                         ui_status [mc "Commit declined by prepare-commit-msg hook."]
1340                         hook_failed_popup prepare-commit-msg $pch_error
1341                         catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1342                         exit 1
1343                 } else {
1344                         load_message PREPARE_COMMIT_MSG
1345                 }
1346                 set pch_error {}
1347                 catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1348                 return
1349         }
1350         fconfigure $fd_ph -blocking 0
1351         catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1352 }
1353
1354 proc read_diff_index {fd after} {
1355         global buf_rdi
1356
1357         append buf_rdi [read $fd]
1358         set c 0
1359         set n [string length $buf_rdi]
1360         while {$c < $n} {
1361                 set z1 [string first "\0" $buf_rdi $c]
1362                 if {$z1 == -1} break
1363                 incr z1
1364                 set z2 [string first "\0" $buf_rdi $z1]
1365                 if {$z2 == -1} break
1366
1367                 incr c
1368                 set i [split [string range $buf_rdi $c [expr {$z1 - 2}]] { }]
1369                 set p [string range $buf_rdi $z1 [expr {$z2 - 1}]]
1370                 merge_state \
1371                         [encoding convertfrom $p] \
1372                         [lindex $i 4]? \
1373                         [list [lindex $i 0] [lindex $i 2]] \
1374                         [list]
1375                 set c $z2
1376                 incr c
1377         }
1378         if {$c < $n} {
1379                 set buf_rdi [string range $buf_rdi $c end]
1380         } else {
1381                 set buf_rdi {}
1382         }
1383
1384         rescan_done $fd buf_rdi $after
1385 }
1386
1387 proc read_diff_files {fd after} {
1388         global buf_rdf
1389
1390         append buf_rdf [read $fd]
1391         set c 0
1392         set n [string length $buf_rdf]
1393         while {$c < $n} {
1394                 set z1 [string first "\0" $buf_rdf $c]
1395                 if {$z1 == -1} break
1396                 incr z1
1397                 set z2 [string first "\0" $buf_rdf $z1]
1398                 if {$z2 == -1} break
1399
1400                 incr c
1401                 set i [split [string range $buf_rdf $c [expr {$z1 - 2}]] { }]
1402                 set p [string range $buf_rdf $z1 [expr {$z2 - 1}]]
1403                 merge_state \
1404                         [encoding convertfrom $p] \
1405                         ?[lindex $i 4] \
1406                         [list] \
1407                         [list [lindex $i 0] [lindex $i 2]]
1408                 set c $z2
1409                 incr c
1410         }
1411         if {$c < $n} {
1412                 set buf_rdf [string range $buf_rdf $c end]
1413         } else {
1414                 set buf_rdf {}
1415         }
1416
1417         rescan_done $fd buf_rdf $after
1418 }
1419
1420 proc read_ls_others {fd after} {
1421         global buf_rlo
1422
1423         append buf_rlo [read $fd]
1424         set pck [split $buf_rlo "\0"]
1425         set buf_rlo [lindex $pck end]
1426         foreach p [lrange $pck 0 end-1] {
1427                 set p [encoding convertfrom $p]
1428                 if {[string index $p end] eq {/}} {
1429                         set p [string range $p 0 end-1]
1430                 }
1431                 merge_state $p ?O
1432         }
1433         rescan_done $fd buf_rlo $after
1434 }
1435
1436 proc rescan_done {fd buf after} {
1437         global rescan_active current_diff_path
1438         global file_states repo_config
1439         upvar $buf to_clear
1440
1441         if {![eof $fd]} return
1442         set to_clear {}
1443         close $fd
1444         if {[incr rescan_active -1] > 0} return
1445
1446         prune_selection
1447         unlock_index
1448         display_all_files
1449         if {$current_diff_path ne {}} reshow_diff
1450         if {$current_diff_path eq {}} select_first_diff
1451
1452         uplevel #0 $after
1453 }
1454
1455 proc prune_selection {} {
1456         global file_states selected_paths
1457
1458         foreach path [array names selected_paths] {
1459                 if {[catch {set still_here $file_states($path)}]} {
1460                         unset selected_paths($path)
1461                 }
1462         }
1463 }
1464
1465 ######################################################################
1466 ##
1467 ## ui helpers
1468
1469 proc mapicon {w state path} {
1470         global all_icons
1471
1472         if {[catch {set r $all_icons($state$w)}]} {
1473                 puts "error: no icon for $w state={$state} $path"
1474                 return file_plain
1475         }
1476         return $r
1477 }
1478
1479 proc mapdesc {state path} {
1480         global all_descs
1481
1482         if {[catch {set r $all_descs($state)}]} {
1483                 puts "error: no desc for state={$state} $path"
1484                 return $state
1485         }
1486         return $r
1487 }
1488
1489 proc ui_status {msg} {
1490         global main_status
1491         if {[info exists main_status]} {
1492                 $main_status show $msg
1493         }
1494 }
1495
1496 proc ui_ready {{test {}}} {
1497         global main_status
1498         if {[info exists main_status]} {
1499                 $main_status show [mc "Ready."] $test
1500         }
1501 }
1502
1503 proc escape_path {path} {
1504         regsub -all {\\} $path "\\\\" path
1505         regsub -all "\n" $path "\\n" path
1506         return $path
1507 }
1508
1509 proc short_path {path} {
1510         return [escape_path [lindex [file split $path] end]]
1511 }
1512
1513 set next_icon_id 0
1514 set null_sha1 [string repeat 0 40]
1515
1516 proc merge_state {path new_state {head_info {}} {index_info {}}} {
1517         global file_states next_icon_id null_sha1
1518
1519         set s0 [string index $new_state 0]
1520         set s1 [string index $new_state 1]
1521
1522         if {[catch {set info $file_states($path)}]} {
1523                 set state __
1524                 set icon n[incr next_icon_id]
1525         } else {
1526                 set state [lindex $info 0]
1527                 set icon [lindex $info 1]
1528                 if {$head_info eq {}}  {set head_info  [lindex $info 2]}
1529                 if {$index_info eq {}} {set index_info [lindex $info 3]}
1530         }
1531
1532         if     {$s0 eq {?}} {set s0 [string index $state 0]} \
1533         elseif {$s0 eq {_}} {set s0 _}
1534
1535         if     {$s1 eq {?}} {set s1 [string index $state 1]} \
1536         elseif {$s1 eq {_}} {set s1 _}
1537
1538         if {$s0 eq {A} && $s1 eq {_} && $head_info eq {}} {
1539                 set head_info [list 0 $null_sha1]
1540         } elseif {$s0 ne {_} && [string index $state 0] eq {_}
1541                 && $head_info eq {}} {
1542                 set head_info $index_info
1543         }
1544
1545         set file_states($path) [list $s0$s1 $icon \
1546                 $head_info $index_info \
1547                 ]
1548         return $state
1549 }
1550
1551 proc display_file_helper {w path icon_name old_m new_m} {
1552         global file_lists
1553
1554         if {$new_m eq {_}} {
1555                 set lno [lsearch -sorted -exact $file_lists($w) $path]
1556                 if {$lno >= 0} {
1557                         set file_lists($w) [lreplace $file_lists($w) $lno $lno]
1558                         incr lno
1559                         $w conf -state normal
1560                         $w delete $lno.0 [expr {$lno + 1}].0
1561                         $w conf -state disabled
1562                 }
1563         } elseif {$old_m eq {_} && $new_m ne {_}} {
1564                 lappend file_lists($w) $path
1565                 set file_lists($w) [lsort -unique $file_lists($w)]
1566                 set lno [lsearch -sorted -exact $file_lists($w) $path]
1567                 incr lno
1568                 $w conf -state normal
1569                 $w image create $lno.0 \
1570                         -align center -padx 5 -pady 1 \
1571                         -name $icon_name \
1572                         -image [mapicon $w $new_m $path]
1573                 $w insert $lno.1 "[escape_path $path]\n"
1574                 $w conf -state disabled
1575         } elseif {$old_m ne $new_m} {
1576                 $w conf -state normal
1577                 $w image conf $icon_name -image [mapicon $w $new_m $path]
1578                 $w conf -state disabled
1579         }
1580 }
1581
1582 proc display_file {path state} {
1583         global file_states selected_paths
1584         global ui_index ui_workdir
1585
1586         set old_m [merge_state $path $state]
1587         set s $file_states($path)
1588         set new_m [lindex $s 0]
1589         set icon_name [lindex $s 1]
1590
1591         set o [string index $old_m 0]
1592         set n [string index $new_m 0]
1593         if {$o eq {U}} {
1594                 set o _
1595         }
1596         if {$n eq {U}} {
1597                 set n _
1598         }
1599         display_file_helper     $ui_index $path $icon_name $o $n
1600
1601         if {[string index $old_m 0] eq {U}} {
1602                 set o U
1603         } else {
1604                 set o [string index $old_m 1]
1605         }
1606         if {[string index $new_m 0] eq {U}} {
1607                 set n U
1608         } else {
1609                 set n [string index $new_m 1]
1610         }
1611         display_file_helper     $ui_workdir $path $icon_name $o $n
1612
1613         if {$new_m eq {__}} {
1614                 unset file_states($path)
1615                 catch {unset selected_paths($path)}
1616         }
1617 }
1618
1619 proc display_all_files_helper {w path icon_name m} {
1620         global file_lists
1621
1622         lappend file_lists($w) $path
1623         set lno [expr {[lindex [split [$w index end] .] 0] - 1}]
1624         $w image create end \
1625                 -align center -padx 5 -pady 1 \
1626                 -name $icon_name \
1627                 -image [mapicon $w $m $path]
1628         $w insert end "[escape_path $path]\n"
1629 }
1630
1631 proc display_all_files {} {
1632         global ui_index ui_workdir
1633         global file_states file_lists
1634         global last_clicked
1635
1636         $ui_index conf -state normal
1637         $ui_workdir conf -state normal
1638
1639         $ui_index delete 0.0 end
1640         $ui_workdir delete 0.0 end
1641         set last_clicked {}
1642
1643         set file_lists($ui_index) [list]
1644         set file_lists($ui_workdir) [list]
1645
1646         foreach path [lsort [array names file_states]] {
1647                 set s $file_states($path)
1648                 set m [lindex $s 0]
1649                 set icon_name [lindex $s 1]
1650
1651                 set s [string index $m 0]
1652                 if {$s ne {U} && $s ne {_}} {
1653                         display_all_files_helper $ui_index $path \
1654                                 $icon_name $s
1655                 }
1656
1657                 if {[string index $m 0] eq {U}} {
1658                         set s U
1659                 } else {
1660                         set s [string index $m 1]
1661                 }
1662                 if {$s ne {_}} {
1663                         display_all_files_helper $ui_workdir $path \
1664                                 $icon_name $s
1665                 }
1666         }
1667
1668         $ui_index conf -state disabled
1669         $ui_workdir conf -state disabled
1670 }
1671
1672 ######################################################################
1673 ##
1674 ## icons
1675
1676 set filemask {
1677 #define mask_width 14
1678 #define mask_height 15
1679 static unsigned char mask_bits[] = {
1680    0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
1681    0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
1682    0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f};
1683 }
1684
1685 image create bitmap file_plain -background white -foreground black -data {
1686 #define plain_width 14
1687 #define plain_height 15
1688 static unsigned char plain_bits[] = {
1689    0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
1690    0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10,
1691    0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1692 } -maskdata $filemask
1693
1694 image create bitmap file_mod -background white -foreground blue -data {
1695 #define mod_width 14
1696 #define mod_height 15
1697 static unsigned char mod_bits[] = {
1698    0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
1699    0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
1700    0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
1701 } -maskdata $filemask
1702
1703 image create bitmap file_fulltick -background white -foreground "#007000" -data {
1704 #define file_fulltick_width 14
1705 #define file_fulltick_height 15
1706 static unsigned char file_fulltick_bits[] = {
1707    0xfe, 0x01, 0x02, 0x1a, 0x02, 0x0c, 0x02, 0x0c, 0x02, 0x16, 0x02, 0x16,
1708    0x02, 0x13, 0x00, 0x13, 0x86, 0x11, 0x8c, 0x11, 0xd8, 0x10, 0xf2, 0x10,
1709    0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1710 } -maskdata $filemask
1711
1712 image create bitmap file_parttick -background white -foreground "#005050" -data {
1713 #define parttick_width 14
1714 #define parttick_height 15
1715 static unsigned char parttick_bits[] = {
1716    0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
1717    0x7a, 0x14, 0x02, 0x16, 0x02, 0x13, 0x8a, 0x11, 0xda, 0x10, 0x72, 0x10,
1718    0x22, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1719 } -maskdata $filemask
1720
1721 image create bitmap file_question -background white -foreground black -data {
1722 #define file_question_width 14
1723 #define file_question_height 15
1724 static unsigned char file_question_bits[] = {
1725    0xfe, 0x01, 0x02, 0x02, 0xe2, 0x04, 0xf2, 0x09, 0x1a, 0x1b, 0x0a, 0x13,
1726    0x82, 0x11, 0xc2, 0x10, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10, 0x62, 0x10,
1727    0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1728 } -maskdata $filemask
1729
1730 image create bitmap file_removed -background white -foreground red -data {
1731 #define file_removed_width 14
1732 #define file_removed_height 15
1733 static unsigned char file_removed_bits[] = {
1734    0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
1735    0x1a, 0x16, 0x32, 0x13, 0xe2, 0x11, 0xc2, 0x10, 0xe2, 0x11, 0x32, 0x13,
1736    0x1a, 0x16, 0x02, 0x10, 0xfe, 0x1f};
1737 } -maskdata $filemask
1738
1739 image create bitmap file_merge -background white -foreground blue -data {
1740 #define file_merge_width 14
1741 #define file_merge_height 15
1742 static unsigned char file_merge_bits[] = {
1743    0xfe, 0x01, 0x02, 0x03, 0x62, 0x05, 0x62, 0x09, 0x62, 0x1f, 0x62, 0x10,
1744    0xfa, 0x11, 0xf2, 0x10, 0x62, 0x10, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
1745    0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
1746 } -maskdata $filemask
1747
1748 image create bitmap file_statechange -background white -foreground green -data {
1749 #define file_merge_width 14
1750 #define file_merge_height 15
1751 static unsigned char file_statechange_bits[] = {
1752    0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x62, 0x10,
1753    0x62, 0x10, 0xba, 0x11, 0xba, 0x11, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10,
1754    0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1755 } -maskdata $filemask
1756
1757 set ui_index .vpane.files.index.list
1758 set ui_workdir .vpane.files.workdir.list
1759
1760 set all_icons(_$ui_index)   file_plain
1761 set all_icons(A$ui_index)   file_fulltick
1762 set all_icons(M$ui_index)   file_fulltick
1763 set all_icons(D$ui_index)   file_removed
1764 set all_icons(U$ui_index)   file_merge
1765 set all_icons(T$ui_index)   file_statechange
1766
1767 set all_icons(_$ui_workdir) file_plain
1768 set all_icons(M$ui_workdir) file_mod
1769 set all_icons(D$ui_workdir) file_question
1770 set all_icons(U$ui_workdir) file_merge
1771 set all_icons(O$ui_workdir) file_plain
1772 set all_icons(T$ui_workdir) file_statechange
1773
1774 set max_status_desc 0
1775 foreach i {
1776                 {__ {mc "Unmodified"}}
1777
1778                 {_M {mc "Modified, not staged"}}
1779                 {M_ {mc "Staged for commit"}}
1780                 {MM {mc "Portions staged for commit"}}
1781                 {MD {mc "Staged for commit, missing"}}
1782
1783                 {_T {mc "File type changed, not staged"}}
1784                 {T_ {mc "File type changed, staged"}}
1785
1786                 {_O {mc "Untracked, not staged"}}
1787                 {A_ {mc "Staged for commit"}}
1788                 {AM {mc "Portions staged for commit"}}
1789                 {AD {mc "Staged for commit, missing"}}
1790
1791                 {_D {mc "Missing"}}
1792                 {D_ {mc "Staged for removal"}}
1793                 {DO {mc "Staged for removal, still present"}}
1794
1795                 {_U {mc "Requires merge resolution"}}
1796                 {U_ {mc "Requires merge resolution"}}
1797                 {UU {mc "Requires merge resolution"}}
1798                 {UM {mc "Requires merge resolution"}}
1799                 {UD {mc "Requires merge resolution"}}
1800                 {UT {mc "Requires merge resolution"}}
1801         } {
1802         set text [eval [lindex $i 1]]
1803         if {$max_status_desc < [string length $text]} {
1804                 set max_status_desc [string length $text]
1805         }
1806         set all_descs([lindex $i 0]) $text
1807 }
1808 unset i
1809
1810 ######################################################################
1811 ##
1812 ## util
1813
1814 proc scrollbar2many {list mode args} {
1815         foreach w $list {eval $w $mode $args}
1816 }
1817
1818 proc many2scrollbar {list mode sb top bottom} {
1819         $sb set $top $bottom
1820         foreach w $list {$w $mode moveto $top}
1821 }
1822
1823 proc incr_font_size {font {amt 1}} {
1824         set sz [font configure $font -size]
1825         incr sz $amt
1826         font configure $font -size $sz
1827         font configure ${font}bold -size $sz
1828         font configure ${font}italic -size $sz
1829 }
1830
1831 ######################################################################
1832 ##
1833 ## ui commands
1834
1835 set starting_gitk_msg [mc "Starting gitk... please wait..."]
1836
1837 proc do_gitk {revs} {
1838         # -- Always start gitk through whatever we were loaded with.  This
1839         #    lets us bypass using shell process on Windows systems.
1840         #
1841         set exe [_which gitk -script]
1842         set cmd [list [info nameofexecutable] $exe]
1843         if {$exe eq {}} {
1844                 error_popup [mc "Couldn't find gitk in PATH"]
1845         } else {
1846                 global env
1847
1848                 if {[info exists env(GIT_DIR)]} {
1849                         set old_GIT_DIR $env(GIT_DIR)
1850                 } else {
1851                         set old_GIT_DIR {}
1852                 }
1853
1854                 set pwd [pwd]
1855                 cd [file dirname [gitdir]]
1856                 set env(GIT_DIR) [file tail [gitdir]]
1857
1858                 eval exec $cmd $revs &
1859
1860                 if {$old_GIT_DIR eq {}} {
1861                         unset env(GIT_DIR)
1862                 } else {
1863                         set env(GIT_DIR) $old_GIT_DIR
1864                 }
1865                 cd $pwd
1866
1867                 ui_status $::starting_gitk_msg
1868                 after 10000 {
1869                         ui_ready $starting_gitk_msg
1870                 }
1871         }
1872 }
1873
1874 proc do_explore {} {
1875         set explorer {}
1876         if {[is_Cygwin] || [is_Windows]} {
1877                 set explorer "explorer.exe"
1878         } elseif {[is_MacOSX]} {
1879                 set explorer "open"
1880         } else {
1881                 # freedesktop.org-conforming system is our best shot
1882                 set explorer "xdg-open"
1883         }
1884         eval exec $explorer [file dirname [gitdir]] &
1885 }
1886
1887 set is_quitting 0
1888 set ret_code    1
1889
1890 proc terminate_me {win} {
1891         global ret_code
1892         if {$win ne {.}} return
1893         exit $ret_code
1894 }
1895
1896 proc do_quit {{rc {1}}} {
1897         global ui_comm is_quitting repo_config commit_type
1898         global GITGUI_BCK_exists GITGUI_BCK_i
1899         global ui_comm_spell
1900         global ret_code
1901
1902         if {$is_quitting} return
1903         set is_quitting 1
1904
1905         if {[winfo exists $ui_comm]} {
1906                 # -- Stash our current commit buffer.
1907                 #
1908                 set save [gitdir GITGUI_MSG]
1909                 if {$GITGUI_BCK_exists && ![$ui_comm edit modified]} {
1910                         file rename -force [gitdir GITGUI_BCK] $save
1911                         set GITGUI_BCK_exists 0
1912                 } else {
1913                         set msg [string trim [$ui_comm get 0.0 end]]
1914                         regsub -all -line {[ \r\t]+$} $msg {} msg
1915                         if {(![string match amend* $commit_type]
1916                                 || [$ui_comm edit modified])
1917                                 && $msg ne {}} {
1918                                 catch {
1919                                         set fd [open $save w]
1920                                         puts -nonewline $fd $msg
1921                                         close $fd
1922                                 }
1923                         } else {
1924                                 catch {file delete $save}
1925                         }
1926                 }
1927
1928                 # -- Cancel our spellchecker if its running.
1929                 #
1930                 if {[info exists ui_comm_spell]} {
1931                         $ui_comm_spell stop
1932                 }
1933
1934                 # -- Remove our editor backup, its not needed.
1935                 #
1936                 after cancel $GITGUI_BCK_i
1937                 if {$GITGUI_BCK_exists} {
1938                         catch {file delete [gitdir GITGUI_BCK]}
1939                 }
1940
1941                 # -- Stash our current window geometry into this repository.
1942                 #
1943                 set cfg_geometry [list]
1944                 lappend cfg_geometry [wm geometry .]
1945                 lappend cfg_geometry [lindex [.vpane sash coord 0] 0]
1946                 lappend cfg_geometry [lindex [.vpane.files sash coord 0] 1]
1947                 if {[catch {set rc_geometry $repo_config(gui.geometry)}]} {
1948                         set rc_geometry {}
1949                 }
1950                 if {$cfg_geometry ne $rc_geometry} {
1951                         catch {git config gui.geometry $cfg_geometry}
1952                 }
1953         }
1954
1955         set ret_code $rc
1956         destroy .
1957 }
1958
1959 proc do_rescan {} {
1960         rescan ui_ready
1961 }
1962
1963 proc ui_do_rescan {} {
1964         rescan {force_first_diff; ui_ready}
1965 }
1966
1967 proc do_commit {} {
1968         commit_tree
1969 }
1970
1971 proc next_diff {} {
1972         global next_diff_p next_diff_w next_diff_i
1973         show_diff $next_diff_p $next_diff_w {}
1974 }
1975
1976 proc find_anchor_pos {lst name} {
1977         set lid [lsearch -sorted -exact $lst $name]
1978
1979         if {$lid == -1} {
1980                 set lid 0
1981                 foreach lname $lst {
1982                         if {$lname >= $name} break
1983                         incr lid
1984                 }
1985         }
1986
1987         return $lid
1988 }
1989
1990 proc find_file_from {flist idx delta path mmask} {
1991         global file_states
1992
1993         set len [llength $flist]
1994         while {$idx >= 0 && $idx < $len} {
1995                 set name [lindex $flist $idx]
1996
1997                 if {$name ne $path && [info exists file_states($name)]} {
1998                         set state [lindex $file_states($name) 0]
1999
2000                         if {$mmask eq {} || [regexp $mmask $state]} {
2001                                 return $idx
2002                         }
2003                 }
2004
2005                 incr idx $delta
2006         }
2007
2008         return {}
2009 }
2010
2011 proc find_next_diff {w path {lno {}} {mmask {}}} {
2012         global next_diff_p next_diff_w next_diff_i
2013         global file_lists ui_index ui_workdir
2014
2015         set flist $file_lists($w)
2016         if {$lno eq {}} {
2017                 set lno [find_anchor_pos $flist $path]
2018         } else {
2019                 incr lno -1
2020         }
2021
2022         if {$mmask ne {} && ![regexp {(^\^)|(\$$)} $mmask]} {
2023                 if {$w eq $ui_index} {
2024                         set mmask "^$mmask"
2025                 } else {
2026                         set mmask "$mmask\$"
2027                 }
2028         }
2029
2030         set idx [find_file_from $flist $lno 1 $path $mmask]
2031         if {$idx eq {}} {
2032                 incr lno -1
2033                 set idx [find_file_from $flist $lno -1 $path $mmask]
2034         }
2035
2036         if {$idx ne {}} {
2037                 set next_diff_w $w
2038                 set next_diff_p [lindex $flist $idx]
2039                 set next_diff_i [expr {$idx+1}]
2040                 return 1
2041         } else {
2042                 return 0
2043         }
2044 }
2045
2046 proc next_diff_after_action {w path {lno {}} {mmask {}}} {
2047         global current_diff_path
2048
2049         if {$path ne $current_diff_path} {
2050                 return {}
2051         } elseif {[find_next_diff $w $path $lno $mmask]} {
2052                 return {next_diff;}
2053         } else {
2054                 return {reshow_diff;}
2055         }
2056 }
2057
2058 proc select_first_diff {} {
2059         global ui_workdir
2060
2061         if {[find_next_diff $ui_workdir {} 1 {^_?U}] ||
2062             [find_next_diff $ui_workdir {} 1 {[^O]$}]} {
2063                 next_diff
2064         }
2065 }
2066
2067 proc force_first_diff {} {
2068         global current_diff_path
2069
2070         if {[info exists file_states($current_diff_path)]} {
2071                 set state [lindex $file_states($current_diff_path) 0]
2072
2073                 if {[string index $state 1] ne {O}} return
2074         }
2075
2076         select_first_diff
2077 }
2078
2079 proc toggle_or_diff {w x y} {
2080         global file_states file_lists current_diff_path ui_index ui_workdir
2081         global last_clicked selected_paths
2082
2083         set pos [split [$w index @$x,$y] .]
2084         set lno [lindex $pos 0]
2085         set col [lindex $pos 1]
2086         set path [lindex $file_lists($w) [expr {$lno - 1}]]
2087         if {$path eq {}} {
2088                 set last_clicked {}
2089                 return
2090         }
2091
2092         set last_clicked [list $w $lno]
2093         array unset selected_paths
2094         $ui_index tag remove in_sel 0.0 end
2095         $ui_workdir tag remove in_sel 0.0 end
2096
2097         # Determine the state of the file
2098         if {[info exists file_states($path)]} {
2099                 set state [lindex $file_states($path) 0]
2100         } else {
2101                 set state {__}
2102         }
2103
2104         # Restage the file, or simply show the diff
2105         if {$col == 0 && $y > 1} {
2106                 # Conflicts need special handling
2107                 if {[string first {U} $state] >= 0} {
2108                         # $w must always be $ui_workdir, but...
2109                         if {$w ne $ui_workdir} { set lno {} }
2110                         merge_stage_workdir $path $lno
2111                         return
2112                 }
2113
2114                 if {[string index $state 1] eq {O}} {
2115                         set mmask {}
2116                 } else {
2117                         set mmask {[^O]}
2118                 }
2119
2120                 set after [next_diff_after_action $w $path $lno $mmask]
2121
2122                 if {$w eq $ui_index} {
2123                         update_indexinfo \
2124                                 "Unstaging [short_path $path] from commit" \
2125                                 [list $path] \
2126                                 [concat $after [list ui_ready]]
2127                 } elseif {$w eq $ui_workdir} {
2128                         update_index \
2129                                 "Adding [short_path $path]" \
2130                                 [list $path] \
2131                                 [concat $after [list ui_ready]]
2132                 }
2133         } else {
2134                 show_diff $path $w $lno
2135         }
2136 }
2137
2138 proc add_one_to_selection {w x y} {
2139         global file_lists last_clicked selected_paths
2140
2141         set lno [lindex [split [$w index @$x,$y] .] 0]
2142         set path [lindex $file_lists($w) [expr {$lno - 1}]]
2143         if {$path eq {}} {
2144                 set last_clicked {}
2145                 return
2146         }
2147
2148         if {$last_clicked ne {}
2149                 && [lindex $last_clicked 0] ne $w} {
2150                 array unset selected_paths
2151                 [lindex $last_clicked 0] tag remove in_sel 0.0 end
2152         }
2153
2154         set last_clicked [list $w $lno]
2155         if {[catch {set in_sel $selected_paths($path)}]} {
2156                 set in_sel 0
2157         }
2158         if {$in_sel} {
2159                 unset selected_paths($path)
2160                 $w tag remove in_sel $lno.0 [expr {$lno + 1}].0
2161         } else {
2162                 set selected_paths($path) 1
2163                 $w tag add in_sel $lno.0 [expr {$lno + 1}].0
2164         }
2165 }
2166
2167 proc add_range_to_selection {w x y} {
2168         global file_lists last_clicked selected_paths
2169
2170         if {[lindex $last_clicked 0] ne $w} {
2171                 toggle_or_diff $w $x $y
2172                 return
2173         }
2174
2175         set lno [lindex [split [$w index @$x,$y] .] 0]
2176         set lc [lindex $last_clicked 1]
2177         if {$lc < $lno} {
2178                 set begin $lc
2179                 set end $lno
2180         } else {
2181                 set begin $lno
2182                 set end $lc
2183         }
2184
2185         foreach path [lrange $file_lists($w) \
2186                 [expr {$begin - 1}] \
2187                 [expr {$end - 1}]] {
2188                 set selected_paths($path) 1
2189         }
2190         $w tag add in_sel $begin.0 [expr {$end + 1}].0
2191 }
2192
2193 proc show_more_context {} {
2194         global repo_config
2195         if {$repo_config(gui.diffcontext) < 99} {
2196                 incr repo_config(gui.diffcontext)
2197                 reshow_diff
2198         }
2199 }
2200
2201 proc show_less_context {} {
2202         global repo_config
2203         if {$repo_config(gui.diffcontext) > 1} {
2204                 incr repo_config(gui.diffcontext) -1
2205                 reshow_diff
2206         }
2207 }
2208
2209 ######################################################################
2210 ##
2211 ## ui construction
2212
2213 load_config 0
2214 apply_config
2215 set ui_comm {}
2216
2217 # -- Menu Bar
2218 #
2219 menu .mbar -tearoff 0
2220 .mbar add cascade -label [mc Repository] -menu .mbar.repository
2221 .mbar add cascade -label [mc Edit] -menu .mbar.edit
2222 if {[is_enabled branch]} {
2223         .mbar add cascade -label [mc Branch] -menu .mbar.branch
2224 }
2225 if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2226         .mbar add cascade -label [mc Commit@@noun] -menu .mbar.commit
2227 }
2228 if {[is_enabled transport]} {
2229         .mbar add cascade -label [mc Merge] -menu .mbar.merge
2230         .mbar add cascade -label [mc Remote] -menu .mbar.remote
2231 }
2232 . configure -menu .mbar
2233
2234 # -- Repository Menu
2235 #
2236 menu .mbar.repository
2237
2238 .mbar.repository add command \
2239         -label [mc "Explore Working Copy"] \
2240         -command {do_explore}
2241 .mbar.repository add separator
2242
2243 .mbar.repository add command \
2244         -label [mc "Browse Current Branch's Files"] \
2245         -command {browser::new $current_branch}
2246 set ui_browse_current [.mbar.repository index last]
2247 .mbar.repository add command \
2248         -label [mc "Browse Branch Files..."] \
2249         -command browser_open::dialog
2250 .mbar.repository add separator
2251
2252 .mbar.repository add command \
2253         -label [mc "Visualize Current Branch's History"] \
2254         -command {do_gitk $current_branch}
2255 set ui_visualize_current [.mbar.repository index last]
2256 .mbar.repository add command \
2257         -label [mc "Visualize All Branch History"] \
2258         -command {do_gitk --all}
2259 .mbar.repository add separator
2260
2261 proc current_branch_write {args} {
2262         global current_branch
2263         .mbar.repository entryconf $::ui_browse_current \
2264                 -label [mc "Browse %s's Files" $current_branch]
2265         .mbar.repository entryconf $::ui_visualize_current \
2266                 -label [mc "Visualize %s's History" $current_branch]
2267 }
2268 trace add variable current_branch write current_branch_write
2269
2270 if {[is_enabled multicommit]} {
2271         .mbar.repository add command -label [mc "Database Statistics"] \
2272                 -command do_stats
2273
2274         .mbar.repository add command -label [mc "Compress Database"] \
2275                 -command do_gc
2276
2277         .mbar.repository add command -label [mc "Verify Database"] \
2278                 -command do_fsck_objects
2279
2280         .mbar.repository add separator
2281
2282         if {[is_Cygwin]} {
2283                 .mbar.repository add command \
2284                         -label [mc "Create Desktop Icon"] \
2285                         -command do_cygwin_shortcut
2286         } elseif {[is_Windows]} {
2287                 .mbar.repository add command \
2288                         -label [mc "Create Desktop Icon"] \
2289                         -command do_windows_shortcut
2290         } elseif {[is_MacOSX]} {
2291                 .mbar.repository add command \
2292                         -label [mc "Create Desktop Icon"] \
2293                         -command do_macosx_app
2294         }
2295 }
2296
2297 if {[is_MacOSX]} {
2298         proc ::tk::mac::Quit {args} { do_quit }
2299 } else {
2300         .mbar.repository add command -label [mc Quit] \
2301                 -command do_quit \
2302                 -accelerator $M1T-Q
2303 }
2304
2305 # -- Edit Menu
2306 #
2307 menu .mbar.edit
2308 .mbar.edit add command -label [mc Undo] \
2309         -command {catch {[focus] edit undo}} \
2310         -accelerator $M1T-Z
2311 .mbar.edit add command -label [mc Redo] \
2312         -command {catch {[focus] edit redo}} \
2313         -accelerator $M1T-Y
2314 .mbar.edit add separator
2315 .mbar.edit add command -label [mc Cut] \
2316         -command {catch {tk_textCut [focus]}} \
2317         -accelerator $M1T-X
2318 .mbar.edit add command -label [mc Copy] \
2319         -command {catch {tk_textCopy [focus]}} \
2320         -accelerator $M1T-C
2321 .mbar.edit add command -label [mc Paste] \
2322         -command {catch {tk_textPaste [focus]; [focus] see insert}} \
2323         -accelerator $M1T-V
2324 .mbar.edit add command -label [mc Delete] \
2325         -command {catch {[focus] delete sel.first sel.last}} \
2326         -accelerator Del
2327 .mbar.edit add separator
2328 .mbar.edit add command -label [mc "Select All"] \
2329         -command {catch {[focus] tag add sel 0.0 end}} \
2330         -accelerator $M1T-A
2331
2332 # -- Branch Menu
2333 #
2334 if {[is_enabled branch]} {
2335         menu .mbar.branch
2336
2337         .mbar.branch add command -label [mc "Create..."] \
2338                 -command branch_create::dialog \
2339                 -accelerator $M1T-N
2340         lappend disable_on_lock [list .mbar.branch entryconf \
2341                 [.mbar.branch index last] -state]
2342
2343         .mbar.branch add command -label [mc "Checkout..."] \
2344                 -command branch_checkout::dialog \
2345                 -accelerator $M1T-O
2346         lappend disable_on_lock [list .mbar.branch entryconf \
2347                 [.mbar.branch index last] -state]
2348
2349         .mbar.branch add command -label [mc "Rename..."] \
2350                 -command branch_rename::dialog
2351         lappend disable_on_lock [list .mbar.branch entryconf \
2352                 [.mbar.branch index last] -state]
2353
2354         .mbar.branch add command -label [mc "Delete..."] \
2355                 -command branch_delete::dialog
2356         lappend disable_on_lock [list .mbar.branch entryconf \
2357                 [.mbar.branch index last] -state]
2358
2359         .mbar.branch add command -label [mc "Reset..."] \
2360                 -command merge::reset_hard
2361         lappend disable_on_lock [list .mbar.branch entryconf \
2362                 [.mbar.branch index last] -state]
2363 }
2364
2365 # -- Commit Menu
2366 #
2367 proc commit_btn_caption {} {
2368         if {[is_enabled nocommit]} {
2369                 return [mc "Done"]
2370         } else {
2371                 return [mc Commit@@verb]
2372         }
2373 }
2374
2375 if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2376         menu .mbar.commit
2377
2378         if {![is_enabled nocommit]} {
2379                 .mbar.commit add radiobutton \
2380                         -label [mc "New Commit"] \
2381                         -command do_select_commit_type \
2382                         -variable selected_commit_type \
2383                         -value new
2384                 lappend disable_on_lock \
2385                         [list .mbar.commit entryconf [.mbar.commit index last] -state]
2386
2387                 .mbar.commit add radiobutton \
2388                         -label [mc "Amend Last Commit"] \
2389                         -command do_select_commit_type \
2390                         -variable selected_commit_type \
2391                         -value amend
2392                 lappend disable_on_lock \
2393                         [list .mbar.commit entryconf [.mbar.commit index last] -state]
2394
2395                 .mbar.commit add separator
2396         }
2397
2398         .mbar.commit add command -label [mc Rescan] \
2399                 -command ui_do_rescan \
2400                 -accelerator F5
2401         lappend disable_on_lock \
2402                 [list .mbar.commit entryconf [.mbar.commit index last] -state]
2403
2404         .mbar.commit add command -label [mc "Stage To Commit"] \
2405                 -command do_add_selection \
2406                 -accelerator $M1T-T
2407         lappend disable_on_lock \
2408                 [list .mbar.commit entryconf [.mbar.commit index last] -state]
2409
2410         .mbar.commit add command -label [mc "Stage Changed Files To Commit"] \
2411                 -command do_add_all \
2412                 -accelerator $M1T-I
2413         lappend disable_on_lock \
2414                 [list .mbar.commit entryconf [.mbar.commit index last] -state]
2415
2416         .mbar.commit add command -label [mc "Unstage From Commit"] \
2417                 -command do_unstage_selection
2418         lappend disable_on_lock \
2419                 [list .mbar.commit entryconf [.mbar.commit index last] -state]
2420
2421         .mbar.commit add command -label [mc "Revert Changes"] \
2422                 -command do_revert_selection
2423         lappend disable_on_lock \
2424                 [list .mbar.commit entryconf [.mbar.commit index last] -state]
2425
2426         .mbar.commit add separator
2427
2428         .mbar.commit add command -label [mc "Show Less Context"] \
2429                 -command show_less_context \
2430                 -accelerator $M1T-\-
2431
2432         .mbar.commit add command -label [mc "Show More Context"] \
2433                 -command show_more_context \
2434                 -accelerator $M1T-=
2435
2436         .mbar.commit add separator
2437
2438         if {![is_enabled nocommitmsg]} {
2439                 .mbar.commit add command -label [mc "Sign Off"] \
2440                         -command do_signoff \
2441                         -accelerator $M1T-S
2442         }
2443
2444         .mbar.commit add command -label [commit_btn_caption] \
2445                 -command do_commit \
2446                 -accelerator $M1T-Return
2447         lappend disable_on_lock \
2448                 [list .mbar.commit entryconf [.mbar.commit index last] -state]
2449 }
2450
2451 # -- Merge Menu
2452 #
2453 if {[is_enabled branch]} {
2454         menu .mbar.merge
2455         .mbar.merge add command -label [mc "Local Merge..."] \
2456                 -command merge::dialog \
2457                 -accelerator $M1T-M
2458         lappend disable_on_lock \
2459                 [list .mbar.merge entryconf [.mbar.merge index last] -state]
2460         .mbar.merge add command -label [mc "Abort Merge..."] \
2461                 -command merge::reset_hard
2462         lappend disable_on_lock \
2463                 [list .mbar.merge entryconf [.mbar.merge index last] -state]
2464 }
2465
2466 # -- Transport Menu
2467 #
2468 if {[is_enabled transport]} {
2469         menu .mbar.remote
2470
2471         .mbar.remote add command \
2472                 -label [mc "Add..."] \
2473                 -command remote_add::dialog \
2474                 -accelerator $M1T-A
2475         .mbar.remote add command \
2476                 -label [mc "Push..."] \
2477                 -command do_push_anywhere \
2478                 -accelerator $M1T-P
2479         .mbar.remote add command \
2480                 -label [mc "Delete Branch..."] \
2481                 -command remote_branch_delete::dialog
2482 }
2483
2484 if {[is_MacOSX]} {
2485         # -- Apple Menu (Mac OS X only)
2486         #
2487         .mbar add cascade -label Apple -menu .mbar.apple
2488         menu .mbar.apple
2489
2490         .mbar.apple add command -label [mc "About %s" [appname]] \
2491                 -command do_about
2492         .mbar.apple add separator
2493         .mbar.apple add command \
2494                 -label [mc "Preferences..."] \
2495                 -command do_options \
2496                 -accelerator $M1T-,
2497         bind . <$M1B-,> do_options
2498 } else {
2499         # -- Edit Menu
2500         #
2501         .mbar.edit add separator
2502         .mbar.edit add command -label [mc "Options..."] \
2503                 -command do_options
2504 }
2505
2506 # -- Help Menu
2507 #
2508 .mbar add cascade -label [mc Help] -menu .mbar.help
2509 menu .mbar.help
2510
2511 if {![is_MacOSX]} {
2512         .mbar.help add command -label [mc "About %s" [appname]] \
2513                 -command do_about
2514 }
2515
2516
2517 set doc_path [file dirname [gitexec]]
2518 set doc_path [file join $doc_path Documentation index.html]
2519
2520 if {[is_Cygwin]} {
2521         set doc_path [exec cygpath --mixed $doc_path]
2522 }
2523
2524 if {[file isfile $doc_path]} {
2525         set doc_url "file:$doc_path"
2526 } else {
2527         set doc_url {http://www.kernel.org/pub/software/scm/git/docs/}
2528 }
2529
2530 proc start_browser {url} {
2531         git "web--browse" $url
2532 }
2533
2534 .mbar.help add command -label [mc "Online Documentation"] \
2535         -command [list start_browser $doc_url]
2536 unset doc_path doc_url
2537
2538 # -- Standard bindings
2539 #
2540 wm protocol . WM_DELETE_WINDOW do_quit
2541 bind all <$M1B-Key-q> do_quit
2542 bind all <$M1B-Key-Q> do_quit
2543 bind all <$M1B-Key-w> {destroy [winfo toplevel %W]}
2544 bind all <$M1B-Key-W> {destroy [winfo toplevel %W]}
2545
2546 set subcommand_args {}
2547 proc usage {} {
2548         puts stderr "usage: $::argv0 $::subcommand $::subcommand_args"
2549         exit 1
2550 }
2551
2552 # -- Not a normal commit type invocation?  Do that instead!
2553 #
2554 switch -- $subcommand {
2555 browser -
2556 blame {
2557         if {$subcommand eq "blame"} {
2558                 set subcommand_args {[--line=<num>] rev? path}
2559         } else {
2560                 set subcommand_args {rev? path}
2561         }
2562         if {$argv eq {}} usage
2563         set head {}
2564         set path {}
2565         set jump_spec {}
2566         set is_path 0
2567         foreach a $argv {
2568                 if {$is_path || [file exists $_prefix$a]} {
2569                         if {$path ne {}} usage
2570                         set path $_prefix$a
2571                         break
2572                 } elseif {$a eq {--}} {
2573                         if {$path ne {}} {
2574                                 if {$head ne {}} usage
2575                                 set head $path
2576                                 set path {}
2577                         }
2578                         set is_path 1
2579                 } elseif {[regexp {^--line=(\d+)$} $a a lnum]} {
2580                         if {$jump_spec ne {} || $head ne {}} usage
2581                         set jump_spec [list $lnum]
2582                 } elseif {$head eq {}} {
2583                         if {$head ne {}} usage
2584                         set head $a
2585                         set is_path 1
2586                 } else {
2587                         usage
2588                 }
2589         }
2590         unset is_path
2591
2592         if {$head ne {} && $path eq {}} {
2593                 set path $_prefix$head
2594                 set head {}
2595         }
2596
2597         if {$head eq {}} {
2598                 load_current_branch
2599         } else {
2600                 if {[regexp {^[0-9a-f]{1,39}$} $head]} {
2601                         if {[catch {
2602                                         set head [git rev-parse --verify $head]
2603                                 } err]} {
2604                                 puts stderr $err
2605                                 exit 1
2606                         }
2607                 }
2608                 set current_branch $head
2609         }
2610
2611         switch -- $subcommand {
2612         browser {
2613                 if {$jump_spec ne {}} usage
2614                 if {$head eq {}} {
2615                         if {$path ne {} && [file isdirectory $path]} {
2616                                 set head $current_branch
2617                         } else {
2618                                 set head $path
2619                                 set path {}
2620                         }
2621                 }
2622                 browser::new $head $path
2623         }
2624         blame   {
2625                 if {$head eq {} && ![file exists $path]} {
2626                         puts stderr [mc "fatal: cannot stat path %s: No such file or directory" $path]
2627                         exit 1
2628                 }
2629                 blame::new $head $path $jump_spec
2630         }
2631         }
2632         return
2633 }
2634 citool -
2635 gui {
2636         if {[llength $argv] != 0} {
2637                 puts -nonewline stderr "usage: $argv0"
2638                 if {$subcommand ne {gui}
2639                         && [file tail $argv0] ne "git-$subcommand"} {
2640                         puts -nonewline stderr " $subcommand"
2641                 }
2642                 puts stderr {}
2643                 exit 1
2644         }
2645         # fall through to setup UI for commits
2646 }
2647 default {
2648         puts stderr "usage: $argv0 \[{blame|browser|citool}\]"
2649         exit 1
2650 }
2651 }
2652
2653 # -- Branch Control
2654 #
2655 frame .branch \
2656         -borderwidth 1 \
2657         -relief sunken
2658 label .branch.l1 \
2659         -text [mc "Current Branch:"] \
2660         -anchor w \
2661         -justify left
2662 label .branch.cb \
2663         -textvariable current_branch \
2664         -anchor w \
2665         -justify left
2666 pack .branch.l1 -side left
2667 pack .branch.cb -side left -fill x
2668 pack .branch -side top -fill x
2669
2670 # -- Main Window Layout
2671 #
2672 panedwindow .vpane -orient horizontal
2673 panedwindow .vpane.files -orient vertical
2674 .vpane add .vpane.files -sticky nsew -height 100 -width 200
2675 pack .vpane -anchor n -side top -fill both -expand 1
2676
2677 # -- Index File List
2678 #
2679 frame .vpane.files.index -height 100 -width 200
2680 label .vpane.files.index.title -text [mc "Staged Changes (Will Commit)"] \
2681         -background lightgreen -foreground black
2682 text $ui_index -background white -foreground black \
2683         -borderwidth 0 \
2684         -width 20 -height 10 \
2685         -wrap none \
2686         -cursor $cursor_ptr \
2687         -xscrollcommand {.vpane.files.index.sx set} \
2688         -yscrollcommand {.vpane.files.index.sy set} \
2689         -state disabled
2690 scrollbar .vpane.files.index.sx -orient h -command [list $ui_index xview]
2691 scrollbar .vpane.files.index.sy -orient v -command [list $ui_index yview]
2692 pack .vpane.files.index.title -side top -fill x
2693 pack .vpane.files.index.sx -side bottom -fill x
2694 pack .vpane.files.index.sy -side right -fill y
2695 pack $ui_index -side left -fill both -expand 1
2696
2697 # -- Working Directory File List
2698 #
2699 frame .vpane.files.workdir -height 100 -width 200
2700 label .vpane.files.workdir.title -text [mc "Unstaged Changes"] \
2701         -background lightsalmon -foreground black
2702 text $ui_workdir -background white -foreground black \
2703         -borderwidth 0 \
2704         -width 20 -height 10 \
2705         -wrap none \
2706         -cursor $cursor_ptr \
2707         -xscrollcommand {.vpane.files.workdir.sx set} \
2708         -yscrollcommand {.vpane.files.workdir.sy set} \
2709         -state disabled
2710 scrollbar .vpane.files.workdir.sx -orient h -command [list $ui_workdir xview]
2711 scrollbar .vpane.files.workdir.sy -orient v -command [list $ui_workdir yview]
2712 pack .vpane.files.workdir.title -side top -fill x
2713 pack .vpane.files.workdir.sx -side bottom -fill x
2714 pack .vpane.files.workdir.sy -side right -fill y
2715 pack $ui_workdir -side left -fill both -expand 1
2716
2717 .vpane.files add .vpane.files.workdir -sticky nsew
2718 .vpane.files add .vpane.files.index -sticky nsew
2719
2720 foreach i [list $ui_index $ui_workdir] {
2721         rmsel_tag $i
2722         $i tag conf in_diff -background [$i tag cget in_sel -background]
2723 }
2724 unset i
2725
2726 # -- Diff and Commit Area
2727 #
2728 frame .vpane.lower -height 300 -width 400
2729 frame .vpane.lower.commarea
2730 frame .vpane.lower.diff -relief sunken -borderwidth 1
2731 pack .vpane.lower.diff -fill both -expand 1
2732 pack .vpane.lower.commarea -side bottom -fill x
2733 .vpane add .vpane.lower -sticky nsew
2734
2735 # -- Commit Area Buttons
2736 #
2737 frame .vpane.lower.commarea.buttons
2738 label .vpane.lower.commarea.buttons.l -text {} \
2739         -anchor w \
2740         -justify left
2741 pack .vpane.lower.commarea.buttons.l -side top -fill x
2742 pack .vpane.lower.commarea.buttons -side left -fill y
2743
2744 button .vpane.lower.commarea.buttons.rescan -text [mc Rescan] \
2745         -command ui_do_rescan
2746 pack .vpane.lower.commarea.buttons.rescan -side top -fill x
2747 lappend disable_on_lock \
2748         {.vpane.lower.commarea.buttons.rescan conf -state}
2749
2750 button .vpane.lower.commarea.buttons.incall -text [mc "Stage Changed"] \
2751         -command do_add_all
2752 pack .vpane.lower.commarea.buttons.incall -side top -fill x
2753 lappend disable_on_lock \
2754         {.vpane.lower.commarea.buttons.incall conf -state}
2755
2756 if {![is_enabled nocommitmsg]} {
2757         button .vpane.lower.commarea.buttons.signoff -text [mc "Sign Off"] \
2758                 -command do_signoff
2759         pack .vpane.lower.commarea.buttons.signoff -side top -fill x
2760 }
2761
2762 button .vpane.lower.commarea.buttons.commit -text [commit_btn_caption] \
2763         -command do_commit
2764 pack .vpane.lower.commarea.buttons.commit -side top -fill x
2765 lappend disable_on_lock \
2766         {.vpane.lower.commarea.buttons.commit conf -state}
2767
2768 if {![is_enabled nocommit]} {
2769         button .vpane.lower.commarea.buttons.push -text [mc Push] \
2770                 -command do_push_anywhere
2771         pack .vpane.lower.commarea.buttons.push -side top -fill x
2772 }
2773
2774 # -- Commit Message Buffer
2775 #
2776 frame .vpane.lower.commarea.buffer
2777 frame .vpane.lower.commarea.buffer.header
2778 set ui_comm .vpane.lower.commarea.buffer.t
2779 set ui_coml .vpane.lower.commarea.buffer.header.l
2780
2781 if {![is_enabled nocommit]} {
2782         radiobutton .vpane.lower.commarea.buffer.header.new \
2783                 -text [mc "New Commit"] \
2784                 -command do_select_commit_type \
2785                 -variable selected_commit_type \
2786                 -value new
2787         lappend disable_on_lock \
2788                 [list .vpane.lower.commarea.buffer.header.new conf -state]
2789         radiobutton .vpane.lower.commarea.buffer.header.amend \
2790                 -text [mc "Amend Last Commit"] \
2791                 -command do_select_commit_type \
2792                 -variable selected_commit_type \
2793                 -value amend
2794         lappend disable_on_lock \
2795                 [list .vpane.lower.commarea.buffer.header.amend conf -state]
2796 }
2797
2798 label $ui_coml \
2799         -anchor w \
2800         -justify left
2801 proc trace_commit_type {varname args} {
2802         global ui_coml commit_type
2803         switch -glob -- $commit_type {
2804         initial       {set txt [mc "Initial Commit Message:"]}
2805         amend         {set txt [mc "Amended Commit Message:"]}
2806         amend-initial {set txt [mc "Amended Initial Commit Message:"]}
2807         amend-merge   {set txt [mc "Amended Merge Commit Message:"]}
2808         merge         {set txt [mc "Merge Commit Message:"]}
2809         *             {set txt [mc "Commit Message:"]}
2810         }
2811         $ui_coml conf -text $txt
2812 }
2813 trace add variable commit_type write trace_commit_type
2814 pack $ui_coml -side left -fill x
2815
2816 if {![is_enabled nocommit]} {
2817         pack .vpane.lower.commarea.buffer.header.amend -side right
2818         pack .vpane.lower.commarea.buffer.header.new -side right
2819 }
2820
2821 text $ui_comm -background white -foreground black \
2822         -borderwidth 1 \
2823         -undo true \
2824         -maxundo 20 \
2825         -autoseparators true \
2826         -relief sunken \
2827         -width $repo_config(gui.commitmsgwidth) -height 9 -wrap none \
2828         -font font_diff \
2829         -yscrollcommand {.vpane.lower.commarea.buffer.sby set}
2830 scrollbar .vpane.lower.commarea.buffer.sby \
2831         -command [list $ui_comm yview]
2832 pack .vpane.lower.commarea.buffer.header -side top -fill x
2833 pack .vpane.lower.commarea.buffer.sby -side right -fill y
2834 pack $ui_comm -side left -fill y
2835 pack .vpane.lower.commarea.buffer -side left -fill y
2836
2837 # -- Commit Message Buffer Context Menu
2838 #
2839 set ctxm .vpane.lower.commarea.buffer.ctxm
2840 menu $ctxm -tearoff 0
2841 $ctxm add command \
2842         -label [mc Cut] \
2843         -command {tk_textCut $ui_comm}
2844 $ctxm add command \
2845         -label [mc Copy] \
2846         -command {tk_textCopy $ui_comm}
2847 $ctxm add command \
2848         -label [mc Paste] \
2849         -command {tk_textPaste $ui_comm}
2850 $ctxm add command \
2851         -label [mc Delete] \
2852         -command {$ui_comm delete sel.first sel.last}
2853 $ctxm add separator
2854 $ctxm add command \
2855         -label [mc "Select All"] \
2856         -command {focus $ui_comm;$ui_comm tag add sel 0.0 end}
2857 $ctxm add command \
2858         -label [mc "Copy All"] \
2859         -command {
2860                 $ui_comm tag add sel 0.0 end
2861                 tk_textCopy $ui_comm
2862                 $ui_comm tag remove sel 0.0 end
2863         }
2864 $ctxm add separator
2865 $ctxm add command \
2866         -label [mc "Sign Off"] \
2867         -command do_signoff
2868 set ui_comm_ctxm $ctxm
2869
2870 # -- Diff Header
2871 #
2872 proc trace_current_diff_path {varname args} {
2873         global current_diff_path diff_actions file_states
2874         if {$current_diff_path eq {}} {
2875                 set s {}
2876                 set f {}
2877                 set p {}
2878                 set o disabled
2879         } else {
2880                 set p $current_diff_path
2881                 set s [mapdesc [lindex $file_states($p) 0] $p]
2882                 set f [mc "File:"]
2883                 set p [escape_path $p]
2884                 set o normal
2885         }
2886
2887         .vpane.lower.diff.header.status configure -text $s
2888         .vpane.lower.diff.header.file configure -text $f
2889         .vpane.lower.diff.header.path configure -text $p
2890         foreach w $diff_actions {
2891                 uplevel #0 $w $o
2892         }
2893 }
2894 trace add variable current_diff_path write trace_current_diff_path
2895
2896 frame .vpane.lower.diff.header -background gold
2897 label .vpane.lower.diff.header.status \
2898         -background gold \
2899         -foreground black \
2900         -width $max_status_desc \
2901         -anchor w \
2902         -justify left
2903 label .vpane.lower.diff.header.file \
2904         -background gold \
2905         -foreground black \
2906         -anchor w \
2907         -justify left
2908 label .vpane.lower.diff.header.path \
2909         -background gold \
2910         -foreground black \
2911         -anchor w \
2912         -justify left
2913 pack .vpane.lower.diff.header.status -side left
2914 pack .vpane.lower.diff.header.file -side left
2915 pack .vpane.lower.diff.header.path -fill x
2916 set ctxm .vpane.lower.diff.header.ctxm
2917 menu $ctxm -tearoff 0
2918 $ctxm add command \
2919         -label [mc Copy] \
2920         -command {
2921                 clipboard clear
2922                 clipboard append \
2923                         -format STRING \
2924                         -type STRING \
2925                         -- $current_diff_path
2926         }
2927 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
2928 bind_button3 .vpane.lower.diff.header.path "tk_popup $ctxm %X %Y"
2929
2930 # -- Diff Body
2931 #
2932 frame .vpane.lower.diff.body
2933 set ui_diff .vpane.lower.diff.body.t
2934 text $ui_diff -background white -foreground black \
2935         -borderwidth 0 \
2936         -width 80 -height 15 -wrap none \
2937         -font font_diff \
2938         -xscrollcommand {.vpane.lower.diff.body.sbx set} \
2939         -yscrollcommand {.vpane.lower.diff.body.sby set} \
2940         -state disabled
2941 scrollbar .vpane.lower.diff.body.sbx -orient horizontal \
2942         -command [list $ui_diff xview]
2943 scrollbar .vpane.lower.diff.body.sby -orient vertical \
2944         -command [list $ui_diff yview]
2945 pack .vpane.lower.diff.body.sbx -side bottom -fill x
2946 pack .vpane.lower.diff.body.sby -side right -fill y
2947 pack $ui_diff -side left -fill both -expand 1
2948 pack .vpane.lower.diff.header -side top -fill x
2949 pack .vpane.lower.diff.body -side bottom -fill both -expand 1
2950
2951 $ui_diff tag conf d_cr -elide true
2952 $ui_diff tag conf d_@ -foreground blue -font font_diffbold
2953 $ui_diff tag conf d_+ -foreground {#00a000}
2954 $ui_diff tag conf d_- -foreground red
2955
2956 $ui_diff tag conf d_++ -foreground {#00a000}
2957 $ui_diff tag conf d_-- -foreground red
2958 $ui_diff tag conf d_+s \
2959         -foreground {#00a000} \
2960         -background {#e2effa}
2961 $ui_diff tag conf d_-s \
2962         -foreground red \
2963         -background {#e2effa}
2964 $ui_diff tag conf d_s+ \
2965         -foreground {#00a000} \
2966         -background ivory1
2967 $ui_diff tag conf d_s- \
2968         -foreground red \
2969         -background ivory1
2970
2971 $ui_diff tag conf d<<<<<<< \
2972         -foreground orange \
2973         -font font_diffbold
2974 $ui_diff tag conf d======= \
2975         -foreground orange \
2976         -font font_diffbold
2977 $ui_diff tag conf d>>>>>>> \
2978         -foreground orange \
2979         -font font_diffbold
2980
2981 $ui_diff tag raise sel
2982
2983 # -- Diff Body Context Menu
2984 #
2985
2986 proc create_common_diff_popup {ctxm} {
2987         $ctxm add command \
2988                 -label [mc "Show Less Context"] \
2989                 -command show_less_context
2990         lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
2991         $ctxm add command \
2992                 -label [mc "Show More Context"] \
2993                 -command show_more_context
2994         lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
2995         $ctxm add separator
2996         $ctxm add command \
2997                 -label [mc Refresh] \
2998                 -command reshow_diff
2999         lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3000         $ctxm add command \
3001                 -label [mc Copy] \
3002                 -command {tk_textCopy $ui_diff}
3003         lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3004         $ctxm add command \
3005                 -label [mc "Select All"] \
3006                 -command {focus $ui_diff;$ui_diff tag add sel 0.0 end}
3007         lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3008         $ctxm add command \
3009                 -label [mc "Copy All"] \
3010                 -command {
3011                         $ui_diff tag add sel 0.0 end
3012                         tk_textCopy $ui_diff
3013                         $ui_diff tag remove sel 0.0 end
3014                 }
3015         lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3016         $ctxm add separator
3017         $ctxm add command \
3018                 -label [mc "Decrease Font Size"] \
3019                 -command {incr_font_size font_diff -1}
3020         lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3021         $ctxm add command \
3022                 -label [mc "Increase Font Size"] \
3023                 -command {incr_font_size font_diff 1}
3024         lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3025         $ctxm add separator
3026         set emenu $ctxm.enc
3027         menu $emenu
3028         build_encoding_menu $emenu [list force_diff_encoding]
3029         $ctxm add cascade \
3030                 -label [mc "Encoding"] \
3031                 -menu $emenu
3032         lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3033         $ctxm add separator
3034         $ctxm add command -label [mc "Options..."] \
3035                 -command do_options
3036 }
3037
3038 set ctxm .vpane.lower.diff.body.ctxm
3039 menu $ctxm -tearoff 0
3040 $ctxm add command \
3041         -label [mc "Apply/Reverse Hunk"] \
3042         -command {apply_hunk $cursorX $cursorY}
3043 set ui_diff_applyhunk [$ctxm index last]
3044 lappend diff_actions [list $ctxm entryconf $ui_diff_applyhunk -state]
3045 $ctxm add command \
3046         -label [mc "Apply/Reverse Line"] \
3047         -command {apply_line $cursorX $cursorY; do_rescan}
3048 set ui_diff_applyline [$ctxm index last]
3049 lappend diff_actions [list $ctxm entryconf $ui_diff_applyline -state]
3050 $ctxm add separator
3051 create_common_diff_popup $ctxm
3052
3053 set ctxmmg .vpane.lower.diff.body.ctxmmg
3054 menu $ctxmmg -tearoff 0
3055 $ctxmmg add command \
3056         -label [mc "Run Merge Tool"] \
3057         -command {merge_resolve_tool}
3058 lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3059 $ctxmmg add separator
3060 $ctxmmg add command \
3061         -label [mc "Use Remote Version"] \
3062         -command {merge_resolve_one 3}
3063 lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3064 $ctxmmg add command \
3065         -label [mc "Use Local Version"] \
3066         -command {merge_resolve_one 2}
3067 lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3068 $ctxmmg add command \
3069         -label [mc "Revert To Base"] \
3070         -command {merge_resolve_one 1}
3071 lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3072 $ctxmmg add separator
3073 create_common_diff_popup $ctxmmg
3074
3075 proc popup_diff_menu {ctxm ctxmmg x y X Y} {
3076         global current_diff_path file_states
3077         set ::cursorX $x
3078         set ::cursorY $y
3079         if {[info exists file_states($current_diff_path)]} {
3080                 set state [lindex $file_states($current_diff_path) 0]
3081         } else {
3082                 set state {__}
3083         }
3084         if {[string first {U} $state] >= 0} {
3085                 tk_popup $ctxmmg $X $Y
3086         } else {
3087                 if {$::ui_index eq $::current_diff_side} {
3088                         set l [mc "Unstage Hunk From Commit"]
3089                         set t [mc "Unstage Line From Commit"]
3090                 } else {
3091                         set l [mc "Stage Hunk For Commit"]
3092                         set t [mc "Stage Line For Commit"]
3093                 }
3094                 if {$::is_3way_diff
3095                         || $current_diff_path eq {}
3096                         || {__} eq $state
3097                         || {_O} eq $state
3098                         || {_T} eq $state
3099                         || {T_} eq $state} {
3100                         set s disabled
3101                 } else {
3102                         set s normal
3103                 }
3104                 $ctxm entryconf $::ui_diff_applyhunk -state $s -label $l
3105                 $ctxm entryconf $::ui_diff_applyline -state $s -label $t
3106                 tk_popup $ctxm $X $Y
3107         }
3108 }
3109 bind_button3 $ui_diff [list popup_diff_menu $ctxm $ctxmmg %x %y %X %Y]
3110
3111 # -- Status Bar
3112 #
3113 set main_status [::status_bar::new .status]
3114 pack .status -anchor w -side bottom -fill x
3115 $main_status show [mc "Initializing..."]
3116
3117 # -- Load geometry
3118 #
3119 catch {
3120 set gm $repo_config(gui.geometry)
3121 wm geometry . [lindex $gm 0]
3122 .vpane sash place 0 \
3123         [lindex $gm 1] \
3124         [lindex [.vpane sash coord 0] 1]
3125 .vpane.files sash place 0 \
3126         [lindex [.vpane.files sash coord 0] 0] \
3127         [lindex $gm 2]
3128 unset gm
3129 }
3130
3131 # -- Key Bindings
3132 #
3133 bind $ui_comm <$M1B-Key-Return> {do_commit;break}
3134 bind $ui_comm <$M1B-Key-t> {do_add_selection;break}
3135 bind $ui_comm <$M1B-Key-T> {do_add_selection;break}
3136 bind $ui_comm <$M1B-Key-i> {do_add_all;break}
3137 bind $ui_comm <$M1B-Key-I> {do_add_all;break}
3138 bind $ui_comm <$M1B-Key-x> {tk_textCut %W;break}
3139 bind $ui_comm <$M1B-Key-X> {tk_textCut %W;break}
3140 bind $ui_comm <$M1B-Key-c> {tk_textCopy %W;break}
3141 bind $ui_comm <$M1B-Key-C> {tk_textCopy %W;break}
3142 bind $ui_comm <$M1B-Key-v> {tk_textPaste %W; %W see insert; break}
3143 bind $ui_comm <$M1B-Key-V> {tk_textPaste %W; %W see insert; break}
3144 bind $ui_comm <$M1B-Key-a> {%W tag add sel 0.0 end;break}
3145 bind $ui_comm <$M1B-Key-A> {%W tag add sel 0.0 end;break}
3146 bind $ui_comm <$M1B-Key-minus> {show_less_context;break}
3147 bind $ui_comm <$M1B-Key-KP_Subtract> {show_less_context;break}
3148 bind $ui_comm <$M1B-Key-equal> {show_more_context;break}
3149 bind $ui_comm <$M1B-Key-plus> {show_more_context;break}
3150 bind $ui_comm <$M1B-Key-KP_Add> {show_more_context;break}
3151
3152 bind $ui_diff <$M1B-Key-x> {tk_textCopy %W;break}
3153 bind $ui_diff <$M1B-Key-X> {tk_textCopy %W;break}
3154 bind $ui_diff <$M1B-Key-c> {tk_textCopy %W;break}
3155 bind $ui_diff <$M1B-Key-C> {tk_textCopy %W;break}
3156 bind $ui_diff <$M1B-Key-v> {break}
3157 bind $ui_diff <$M1B-Key-V> {break}
3158 bind $ui_diff <$M1B-Key-a> {%W tag add sel 0.0 end;break}
3159 bind $ui_diff <$M1B-Key-A> {%W tag add sel 0.0 end;break}
3160 bind $ui_diff <Key-Up>     {catch {%W yview scroll -1 units};break}
3161 bind $ui_diff <Key-Down>   {catch {%W yview scroll  1 units};break}
3162 bind $ui_diff <Key-Left>   {catch {%W xview scroll -1 units};break}
3163 bind $ui_diff <Key-Right>  {catch {%W xview scroll  1 units};break}
3164 bind $ui_diff <Key-k>         {catch {%W yview scroll -1 units};break}
3165 bind $ui_diff <Key-j>         {catch {%W yview scroll  1 units};break}
3166 bind $ui_diff <Key-h>         {catch {%W xview scroll -1 units};break}
3167 bind $ui_diff <Key-l>         {catch {%W xview scroll  1 units};break}
3168 bind $ui_diff <Control-Key-b> {catch {%W yview scroll -1 pages};break}
3169 bind $ui_diff <Control-Key-f> {catch {%W yview scroll  1 pages};break}
3170 bind $ui_diff <Button-1>   {focus %W}
3171
3172 if {[is_enabled branch]} {
3173         bind . <$M1B-Key-n> branch_create::dialog
3174         bind . <$M1B-Key-N> branch_create::dialog
3175         bind . <$M1B-Key-o> branch_checkout::dialog
3176         bind . <$M1B-Key-O> branch_checkout::dialog
3177         bind . <$M1B-Key-m> merge::dialog
3178         bind . <$M1B-Key-M> merge::dialog
3179 }
3180 if {[is_enabled transport]} {
3181         bind . <$M1B-Key-p> do_push_anywhere
3182         bind . <$M1B-Key-P> do_push_anywhere
3183 }
3184
3185 bind .   <Key-F5>     ui_do_rescan
3186 bind .   <$M1B-Key-r> ui_do_rescan
3187 bind .   <$M1B-Key-R> ui_do_rescan
3188 bind .   <$M1B-Key-s> do_signoff
3189 bind .   <$M1B-Key-S> do_signoff
3190 bind .   <$M1B-Key-t> do_add_selection
3191 bind .   <$M1B-Key-T> do_add_selection
3192 bind .   <$M1B-Key-i> do_add_all
3193 bind .   <$M1B-Key-I> do_add_all
3194 bind .   <$M1B-Key-minus> {show_less_context;break}
3195 bind .   <$M1B-Key-KP_Subtract> {show_less_context;break}
3196 bind .   <$M1B-Key-equal> {show_more_context;break}
3197 bind .   <$M1B-Key-plus> {show_more_context;break}
3198 bind .   <$M1B-Key-KP_Add> {show_more_context;break}
3199 bind .   <$M1B-Key-Return> do_commit
3200 foreach i [list $ui_index $ui_workdir] {
3201         bind $i <Button-1>       "toggle_or_diff         $i %x %y; break"
3202         bind $i <$M1B-Button-1>  "add_one_to_selection   $i %x %y; break"
3203         bind $i <Shift-Button-1> "add_range_to_selection $i %x %y; break"
3204 }
3205 unset i
3206
3207 set file_lists($ui_index) [list]
3208 set file_lists($ui_workdir) [list]
3209
3210 wm title . "[appname] ([reponame]) [file normalize [file dirname [gitdir]]]"
3211 focus -force $ui_comm
3212
3213 # -- Warn the user about environmental problems.  Cygwin's Tcl
3214 #    does *not* pass its env array onto any processes it spawns.
3215 #    This means that git processes get none of our environment.
3216 #
3217 if {[is_Cygwin]} {
3218         set ignored_env 0
3219         set suggest_user {}
3220         set msg [mc "Possible environment issues exist.
3221
3222 The following environment variables are probably
3223 going to be ignored by any Git subprocess run
3224 by %s:
3225
3226 " [appname]]
3227         foreach name [array names env] {
3228                 switch -regexp -- $name {
3229                 {^GIT_INDEX_FILE$} -
3230                 {^GIT_OBJECT_DIRECTORY$} -
3231                 {^GIT_ALTERNATE_OBJECT_DIRECTORIES$} -
3232                 {^GIT_DIFF_OPTS$} -
3233                 {^GIT_EXTERNAL_DIFF$} -
3234                 {^GIT_PAGER$} -
3235                 {^GIT_TRACE$} -
3236                 {^GIT_CONFIG$} -
3237                 {^GIT_CONFIG_LOCAL$} -
3238                 {^GIT_(AUTHOR|COMMITTER)_DATE$} {
3239                         append msg " - $name\n"
3240                         incr ignored_env
3241                 }
3242                 {^GIT_(AUTHOR|COMMITTER)_(NAME|EMAIL)$} {
3243                         append msg " - $name\n"
3244                         incr ignored_env
3245                         set suggest_user $name
3246                 }
3247                 }
3248         }
3249         if {$ignored_env > 0} {
3250                 append msg [mc "
3251 This is due to a known issue with the
3252 Tcl binary distributed by Cygwin."]
3253
3254                 if {$suggest_user ne {}} {
3255                         append msg [mc "
3256
3257 A good replacement for %s
3258 is placing values for the user.name and
3259 user.email settings into your personal
3260 ~/.gitconfig file.
3261 " $suggest_user]
3262                 }
3263                 warn_popup $msg
3264         }
3265         unset ignored_env msg suggest_user name
3266 }
3267
3268 # -- Only initialize complex UI if we are going to stay running.
3269 #
3270 if {[is_enabled transport]} {
3271         load_all_remotes
3272
3273         set n [.mbar.remote index end]
3274         populate_remotes_menu
3275         set n [expr {[.mbar.remote index end] - $n}]
3276         if {$n > 0} {
3277                 if {[.mbar.remote type 0] eq "tearoff"} { incr n }
3278                 .mbar.remote insert $n separator
3279         }
3280         unset n
3281 }
3282
3283 if {[winfo exists $ui_comm]} {
3284         set GITGUI_BCK_exists [load_message GITGUI_BCK]
3285
3286         # -- If both our backup and message files exist use the
3287         #    newer of the two files to initialize the buffer.
3288         #
3289         if {$GITGUI_BCK_exists} {
3290                 set m [gitdir GITGUI_MSG]
3291                 if {[file isfile $m]} {
3292                         if {[file mtime [gitdir GITGUI_BCK]] > [file mtime $m]} {
3293                                 catch {file delete [gitdir GITGUI_MSG]}
3294                         } else {
3295                                 $ui_comm delete 0.0 end
3296                                 $ui_comm edit reset
3297                                 $ui_comm edit modified false
3298                                 catch {file delete [gitdir GITGUI_BCK]}
3299                                 set GITGUI_BCK_exists 0
3300                         }
3301                 }
3302                 unset m
3303         }
3304
3305         proc backup_commit_buffer {} {
3306                 global ui_comm GITGUI_BCK_exists
3307
3308                 set m [$ui_comm edit modified]
3309                 if {$m || $GITGUI_BCK_exists} {
3310                         set msg [string trim [$ui_comm get 0.0 end]]
3311                         regsub -all -line {[ \r\t]+$} $msg {} msg
3312
3313                         if {$msg eq {}} {
3314                                 if {$GITGUI_BCK_exists} {
3315                                         catch {file delete [gitdir GITGUI_BCK]}
3316                                         set GITGUI_BCK_exists 0
3317                                 }
3318                         } elseif {$m} {
3319                                 catch {
3320                                         set fd [open [gitdir GITGUI_BCK] w]
3321                                         puts -nonewline $fd $msg
3322                                         close $fd
3323                                         set GITGUI_BCK_exists 1
3324                                 }
3325                         }
3326
3327                         $ui_comm edit modified false
3328                 }
3329
3330                 set ::GITGUI_BCK_i [after 2000 backup_commit_buffer]
3331         }
3332
3333         backup_commit_buffer
3334
3335         # -- If the user has aspell available we can drive it
3336         #    in pipe mode to spellcheck the commit message.
3337         #
3338         set spell_cmd [list |]
3339         set spell_dict [get_config gui.spellingdictionary]
3340         lappend spell_cmd aspell
3341         if {$spell_dict ne {}} {
3342                 lappend spell_cmd --master=$spell_dict
3343         }
3344         lappend spell_cmd --mode=none
3345         lappend spell_cmd --encoding=utf-8
3346         lappend spell_cmd pipe
3347         if {$spell_dict eq {none}
3348          || [catch {set spell_fd [open $spell_cmd r+]} spell_err]} {
3349                 bind_button3 $ui_comm [list tk_popup $ui_comm_ctxm %X %Y]
3350         } else {
3351                 set ui_comm_spell [spellcheck::init \
3352                         $spell_fd \
3353                         $ui_comm \
3354                         $ui_comm_ctxm \
3355                 ]
3356         }
3357         unset -nocomplain spell_cmd spell_fd spell_err spell_dict
3358 }
3359
3360 lock_index begin-read
3361 if {![winfo ismapped .]} {
3362         wm deiconify .
3363 }
3364 after 1 {
3365         if {[is_enabled initialamend]} {
3366                 force_amend
3367         } else {
3368                 do_rescan
3369         }
3370
3371         if {[is_enabled nocommitmsg]} {
3372                 $ui_comm configure -state disabled -background gray
3373         }
3374 }
3375 if {[is_enabled multicommit]} {
3376         after 1000 hint_gc
3377 }
3378 if {[is_enabled retcode]} {
3379         bind . <Destroy> {+terminate_me %W}
3380 }
3381 if {$picked && [is_config_true gui.autoexplore]} {
3382         do_explore
3383 }